The collator_sort() function is an inbuilt function in PHP which is used to sort an array using specified collator. This function returns True on success or False on failure.
Syntax:
- Procedural style:
bool collator_sort( $coll, $arr, $sort_flag )
- Object oriented style:
bool Collator::sort( $arr, $sort_flag )
Parameters: This function accepts three parameters as mentioned above and described below:
- $coll: This parameter is used as collator object.
- $arr: This parameter contains array of which needs to sort.
- $sort_flag: It is optional parameter which define sorting type, one of the following:
- Collator::SORT_REGULAR: It compare items normally. It is the default sorting.
- Collator::SORT_NUMERIC: It compare the items numerically.
- Collator::SORT_STRING: It compare the items as strings.
Return Value: This function returns True on success or false on failure.
Below programs illustrate the collator_sort() function in PHP:
Program 1:
<?php $coll = collator_create( 'en_US' );   // Declare array and initialize it $arr = array( 'geek', 'geeK', 'Geek', 'neveropen' );   // Sort array collator_sort( $coll, $arr );   // Display array content var_export( $arr ); ?> |
Output:
array ( 0 => 'geek', 1 => 'geeK', 2 => 'Geek', 3 => 'neveropen', )
Program 2:
<?php $coll = collator_create( 'en_US' );   // Declare array and initialize it $arr = array( 30, 12, 56, 33, 74, 23, 1 );   // Sort array collator_sort( $coll, $arr );   // Display array content var_export( $arr ); ?> |
Output:
array ( 0 => 1, 1 => 12, 2 => 23, 3 => 30, 4 => 33, 5 => 56, 6 => 74, )
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Reference: http://php.net/manual/en/collator.sort.php
