Collator::asort
Collator::asort
collator_asort
(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)
Collator::asort -- collator_asort — Sort array maintaining index association
Description
Object oriented style
public bool Collator::asort ( array &$arr [, int $sort_flag ] )
Procedural style
bool collator_asort ( Collator $coll , array &$arr [, int $sort_flag ] )
This function sorts an array such that array indices maintain their correlation with the array elements they are associated with. This is used mainly when sorting associative arrays where the actual element order is significant. Array elements will have sort order according to current locale rules.
Equivalent to standard PHP asort().
Parameters
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 Default $sort_flag value is Collator::SORT_REGULAR. It is also used if an invalid $sort_flag value has been specified. Return Values Returns TRUE on success or FALSE on failure. ExamplesExample #1 collator_asort()example<?php $coll = collator_create( 'en_US' $arr = array( 'a' => '100', 'b' => '50', 'c' => '7' collator_asort( $coll, $arr, Collator::SORT_NUMERIC var_export( $arr collator_asort( $coll, $arr, Collator::SORT_STRING var_export( $arr ?>The above example will output:array ( 'c' => '7', 'b' => '50', 'a' => '100', )array ( 'a' => '100', 'b' => '50', 'c' => '7', )See Also
- Collator constants
- collator_sort() - Sort array using specified collator
- collator_sort_with_sort_keys() - Sort array using specified collator and sort keys
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