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PHP - Function arsort()

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.

Parameters

Sr.No Parameter & Description
1

array(Required)

It specifies an array.
2

sort_flags(Optional)

It 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

It returns TRUE on success or FALSE on failure.

Example

Try out following example −

Live Demo 
<?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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