PHP - Function arsort()


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Syntax

arsort( $array [, $sort_flags] );

Definition and Usage

This function sorts an array such that array indices maintain their correlation with the array elements they are associated with. This is used mainly when sorting associative arrays where the actual element order is significant.

Parameters

Parameter Description
array Required. Specifies an array.
sort_flags

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

Return Value

Returns TRUE on success or FALSE on failure.

Example

Try out following example −

<?php
   $fruits = array("d"=>"lemon", "a"=>"orange", "b"=>"banana" );
   arsort($fruits);
   
   print_r($fruits);
?> 

This will produce the following result −

Array ( [a] => orange [d] => lemon [b] => banana )

php_function_reference.htm

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