PHP | collator_sort_with_sort_keys() Function

The collator_sort_with_sort_keys() function is an inbuilt function in PHP which is used to sort array using specified collator and sort keys.

Syntax:

  • Procedural style:
    bool collator_sort_with_sort_keys( $coll, $arr )
  • Object oriented style:
    bool Collator::sortWithSortKeys( $arr )

Parameters: This function accepts two parameters as mentioned above and described below:



  • $coll: This parameter is used as collator object. It provides the comparison capability with support for appropriate locale-sensitive sort orderings.
  • $arr: This parameter is used to hold the string which needs to sort.

Return Value: This function returns True on success or False on failure.

Below programs illustrates the collator_sort_with_sort_keys() function in PHP.

Program 1:

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<?php
  
// Declare an array which need to sort
$arr  = array( 'Geeks', 'g4g', 'GeeksforGeeks', 'geek' );
$coll = collator_create( 'gs' );
  
// Sort the array with key value
collator_sort_with_sort_keys( $coll, $arr );
  
var_export( $arr );
?>

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Output:

array (
  0 => 'g4g',
  1 => 'geek',
  2 => 'Geeks',
  3 => 'GeeksforGeeks',
)

Program 2:

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<?php
  
// Declare an array which need to sort
$arr  = array( 'Geeks123', 'GeeksABC', 'GeeksforGeeks', 'Geeks' );
  
// Create collector
$coll = collator_create( 'en_US' );
  
// Sort the array with key value
collator_sort_with_sort_keys( $coll, $arr );
  
var_export( $arr );
?>

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Output:

array (
  0 => 'Geeks',
  1 => 'Geeks123',
  2 => 'GeeksABC',
  3 => 'GeeksforGeeks',
)

Reference: http://php.net/manual/en/collator.sortwithsortkeys.php



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