Collator::sortWithSortKeys

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)

Sort array using specified collator and sort keys

public bool Collator::sortWithSortKeys ( array &$arr )

Object oriented style

Procedural style

bool collator_sort_with_sort_keys ( Collator $coll , array &$arr )

Similar to collator_sort() but uses ICU sorting keys produced by ucol_getSortKey() to gain more speed on large arrays.

Parameters:

coll

Collator object.

arr

Array of strings to sort

Returns:

Returns TRUE on success or FALSE on failure.

Examples:

collator_sort_with_sort_keys() example

<?php
$arr  = array( 'Köpfe', 'Kypper', 'Kopfe' );
$coll = collator_create( 'sv' );

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

The above example will output:

array (
  0 => 'Kopfe',
  1 => 'Kypper',
  2 => 'Köpfe',
)