PHP Manual
Collator
Sort array using specified collator

Collator::sort

collator_sort

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)

Collator::sort -- collator_sort — 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 numerically
Collator::SORT_STRING - compare items as strings

Default sorting type is Collator::SORT_REGULAR. It is also used if an invalid sort_flag value has been specified.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE。

范例

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 );
?>

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