Collator::sort()
collator_sort
(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)
Sort array using specified collator
说明
面向对象风格public Collator::sort(array &$arr[,int $sort_flag]): bool
过程化风格
collator_sort(Collator$coll,array &$arr[,int $sort_flag]): bool
This function sorts an array according to current locale rules.
Equivalent to standard PHP sort().
参数
- $coll
Collator object.
- $arr
Array of strings to sort.
- $sort_flag
Optional sorting type, one of the following:
Collator::SORT_REGULAR
- compare items normally(don't change types)Collator::SORT_NUMERIC
- compare items numericallyCollator::SORT_STRING
- compare items as strings
Collator::SORT_REGULAR
. It is also used if an invalid$sort_flagvalue has been specified.
返回值
成功时返回TRUE
,或者在失败时返回FALSE
。
范例
collator_sort() example
<?php $coll = collator_create( 'en_US' ); $arr = array( 'at', 'às', 'as' ); var_export( $arr ); collator_sort( $coll, $arr ); var_export( $arr ); ?>
以上例程会输出:
array ( 0 => 'at', 1 => 'às', 2 => 'as', )array ( 0 => 'as', 1 => 'às', 2 => 'at', )
参见
- Collator constants
- collator_asort() Sort array maintaining index association
- collator_sort_with_sort_keys() Sort array using specified collator and sort keys