What is boolean data type in php
This is the simplest type. A bool expresses a truth value. It can be either Show Syntax To specify a bool literal, use the constants
Typically, the result of an operator which returns a bool value is passed on to a control structure.
Converting to boolean To explicitly convert a value to bool, use the See also Type Juggling. When converting to bool, the following values are considered
Every other value is considered Warning
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$var1; // Will display the number 1
echo $var2; //Will display nothing
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What data type is boolean?The BOOLEAN data type is a 1-byte data type. The legal values for Boolean are true ('t'), false ('f'), or NULL. The values are not case sensitive.
What is an example of BOOLEAN data type?Boolean operator examples
>= – True if a number is greater than or equal to another. <= – True if a number is less than or equal to another. == – True if two values are equivalent. !=
Are there Booleans in PHP?PHP uses the bool type to represent boolean values. To represent boolean literals, you can use the true and false keywords. These keywords are case-insensitive.
What are data types in PHP?PHP supports the following data types:. String.. Integer.. Float (floating point numbers - also called double). Boolean.. Array.. Object.. Resource.. |