Collator::sort

collator_sort

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

Collator::sort -- collator_sort — Sort array using specified collator

说明

面向对象风格

public bool Collator::sort ( array &$arr [, int $sort_flag ] )

过程化风格

bool collator_sort ( Collator $coll , array &$arr [, int $sort_flag ] )

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