PHP asort() Function

Complete PHP Array Reference

Definition and Usage

The asort() function sorts an array by the values. The values keep their original keys.

This function returns TRUE on success, or FALSE on failure.

Syntax

asort(array,sorttype)

Parameter Description
array Required. Specifying an array
sorttype Optional. Specifies how to sort the array values. Possible values:
  • SORT_REGULAR - Default. Treat values as they are (don't change types)
  • SORT_NUMERIC - Treat values numerically
  • SORT_STRING - Treat values as strings
  • SORT_LOCALE_STRING - Treat values as strings, based on local settings

Example

<?php
$my_array = array("a" => "Dog", "b" => "Cat", "c" => "Horse");

asort($my_array);
print_r($my_array);
?>

The output of the code above will be:

Array
(
[b] => Cat
[a] => Dog
[c] => Horse
)

Complete PHP Array Reference
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