PHP Array: Exercise-28 with Solution
Write a PHP script to sort an array in reverse order [highest to lowest].
Sample Solution:
PHP Code:
Sample Output:
Array [ [0] => White [1] => Red [2] => Orange [3] => Black ]
Flowchart:
PHP Code Editor:
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PHP: Tips of the Day
PHP: Send email using the GMail SMTP server from a PHP page.
// Pear Mail Library require_once "Mail.php"; $from = ''; $to = ''; $subject = 'Hi!'; $body = "Hi,\n\nHow are you?"; $headers = array[ 'From' => $from, 'To' => $to, 'Subject' => $subject ]; $smtp = Mail::factory['smtp', array[ 'host' => 'ssl://smtp.gmail.com', 'port' => '465', 'auth' => true, 'username' => '[email protected]', 'password' => 'passwordxxx' ]]; $mail = $smtp->send[$to, $headers, $body]; if [PEAR::isError[$mail]] { echo['' . $mail->getMessage[] . '
']; } else { echo['Message successfully sent!
']; }
Ref : //bit.ly/3aE6MFt
Introduction
PHP is a server scripting language, and It is a powerful tool for making interactive and dynamic Web-pages. I have used WampServer 2.2 for following excercise..
Result
The elements in an array can be sorted in alphabetical or numerical order, descending or ascending.
PHP - Sort Functions For Arrays
In this chapter, we will go through the following PHP array sort functions:
sort[]
- sort arrays in ascending orderrsort[]
- sort arrays in descending orderasort[]
- sort associative arrays in ascending order, according to the valueksort[]
- sort associative arrays in ascending order, according to the keyarsort[]
- sort associative arrays in descending order, according to the valuekrsort[]
- sort associative arrays in descending order, according to the key
Sort Array in Ascending Order - sort[]
The following example sorts the elements of the $cars array in ascending alphabetical order:
Example
Try it Yourself »
The following example sorts the elements of the $numbers array in ascending numerical order:
Sort Array in Descending Order - rsort[]
The following example sorts the elements of the $cars array in descending alphabetical order:
Example
Try it Yourself »
The following example sorts the elements of the $numbers array in descending numerical order:
Sort Array [Ascending Order], According to Value - asort[]
The following example sorts an associative array in ascending order, according to the value:
Example
Try it Yourself »
Sort Array [Ascending Order], According to Key - ksort[]
The following example sorts an associative array in ascending order, according to the key:
Example
Try it Yourself »
Sort Array [Descending Order], According to Value - arsort[]
The following example sorts an associative array in descending order, according to the value:
Example
Try it Yourself »
Sort Array [Descending Order], According to Key - krsort[]
The following example sorts an associative array in descending order, according to the key:
Example
Try it Yourself »
Complete PHP Array Reference
For a complete reference of all array functions, go to our complete PHP Array Reference.
The reference contains a brief description, and examples of use, for each function!