Collator
PHP Manual

Collator::sort

collator_sort

Sort array using specified collator

Description

Object-oriented style

public bool Collator::sort(array &$array, int $flags = Collator::SORT_REGULAR)

Procedural style

bool collator_sort(Collator $object, array &$array, int $flags = Collator::SORT_REGULAR)

This function sorts an array according to current locale rules.

Equivalent to standard PHP sort .

Parameters

object

Collator object.

array

Array of strings to sort.

flags

Optional sorting type, one of the following:

  • Collator::SORT_REGULAR - compare items normally (don't change types)

  • Collator::SORT_NUMERIC - compare items numerically

  • Collator::SORT_STRING - compare items as strings

Default sorting type is Collator::SORT_REGULAR. It is also used if an invalid flags value has been specified.

Return Values

Returns true on success or false on failure.

Examples

Example #1 collator_sort example

<?php
$coll = collator_create( 'en_US' );
$arr  = array( 'at', 'às', 'as' );

var_export( $arr );
collator_sort( $coll, $arr );
var_export( $arr );
?>

The above example will output:

array (
  0 => 'at',
  1 => 'às',
  2 => 'as',
)array (
  0 => 'as',
  1 => 'às',
  2 => 'at',
)

See Also