(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)
Collator::sort -- collator_sort — Sort array using specified collator
Object oriented style
public Collator::sort ( array &$arr [, int $sort_flag ] ) : bool
Procedural style
collator_sort ( Collator $coll , array &$arr [, int $sort_flag ] ) : bool
This function sorts an array according to current locale rules.
Equivalent to standard PHP sort() .
coll
Collator object.
arr
Array of strings to sort.
sort_flag
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
Collator::SORT_REGULAR. It is also used if an invalid sort_flag value has been specified. Returns true on success or false on failure.
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', )
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https://www.php.net/manual/en/collator.sort.php