How to use asort in PHP

In this article, I will explain how the asort() function can be used in PHP.
  • 1164

asort() function in PHP

  • The asort() function is used to sort an array by the values in reverse order. The values keep their original keys.
  • The asort() function returns TRUE on success, or FALSE on failure.
  • The asort() function maintains index association.

Syntax

asort(array,sorttype)

Parameter

  • array array is required parameter. the specified array whose values are to be counted.
  • sorttype sorttype is optional parameter. it determine, how to sort the array values. Possible values of sorttype is
    • SORT_REGULAR - this is the default case value. it don't change types.
    • SORT_NUMERIC - it's treat values numerically.
    • SORT_STRING - it's treat values as strings.
    • SORT_LOCALE_STRING - it's treat values as strings, based on local settings.

Example

The following example show to how the asort() function can be used in PHP.

<html>

<body>

<h3 style="color: violet;">asort() function example in PHP</h3>

    <?php 

    $sub = array('d' => 'Hindi','c' => 'Math','a' => 'Science','b'=> 'English'); 

    asort($sub); 

    foreach ($sub as $key=>$val) 

    { 

    echo "$key = $val <br />"; 

    } 

    ?> 

</body>

</html>

 

Output

asortphp.jpg
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