PHP arsort() Function


Complete PHP Array Reference

Definition and Usage

The arsort() function sorts an array by the values in reverse order. The values keep their original keys.

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

Syntax

arsort(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");

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

The output of the code above will be:

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


Complete PHP Array Reference
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