Collator::asort
collator_asort
(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)
Collator::asort -- collator_asort — Sort array maintaining index association
說明
物件導向風格
&$array, int $flags = Collator::SORT_REGULAR): bool過程化風格
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().
參數
-
object -
Collator object.
-
array -
Array of strings to sort.
-
flags -
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
flagsvalue isCollator::SORT_REGULAR. It is also used if an invalidflagsvalue has been specified. -
返回值
成功時返回 true， 或者在失敗時返回 false。
範例
示例 #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 );
?>
以上例程會輸出：
array ( 'c' => '7', 'b' => '50', 'a' => '100', )array ( 'a' => '100', 'b' => '50', 'c' => '7', )
參見
- Collator constants
- collator_sort() - Sort array using specified collator
- collator_sort_with_sort_keys() - Sort array using specified collator and sort keys