Biểu hiệngettype[]empty[]is_null[]isset[]Bool: 0
0 : 0
0
0 1 | sợi dây
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
0 6 | VÔ GIÁ TRỊ
| null 2
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
"" 1 | VÔ GIÁ TRỊ
| null 2
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
"" 1 | VÔ GIÁ TRỊ
| null 2
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
"" 1 | $ x không được xác định
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
if 0 | $ x không được xác định
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
if 0 | mảng
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
if 5 | mảng
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
if 5 | int
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
null 0 | int
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
bool | int
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
null 5 | int
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
0 0 | sợi dây
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
0 6 | sợi dây
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
0 6 | sợi dây
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
0 6 | sợi dây
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
0 6 | sợi dây
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
0 6 | sợi dây
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
|
null
2Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
230
Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
25Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
26Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
27Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
28null
Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
30Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
31""
|
null 2
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
|
VÔ GIÁ TRỊ | null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
"" 1 | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| $ x không được xác định*
| $ x không được xác định*
|
if 0 | null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
mảng | null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
if 5 | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
null 0 | null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
null
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
|
bool | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
null 5 | null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| $ x không được xác định*
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
if 0 | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| $ x không được xác định*
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
|
null
2Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
230
Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
25Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
26Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
27Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
28null
Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
30Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
31""
|
null 2
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
VÔ GIÁ TRỊ | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
"" 1 | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
if 0 | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
mảng | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
if 5 | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
null 0 | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
null
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
bool | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
null 5 | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
|
if 0 | Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| Example Name Result
$a == $b Equal TRUE if $a equals $b after type juggling.
$a === $b Identical TRUE if $a equals $b, AND they are of the same type.
$a != $b Not equal TRUE if $a not equals $b after type juggling.
$a $b Not equal TRUE if $a not equals $b after type juggling.
$a !== $b Not identical TRUE if $a not equals $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a = $b Greater than/equal TRUE if $a is greater than or equal to $b.
7
| null 2
|