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(PHP 5 >= 5.3.0, PECL intl >= 1.0.0)
Collator::sort -- collator_sort — Sort array using specified collator
面向对象风格
&$arr 
   [,  int $sort_flag 
  ] )过程化风格
$coll 
   ,  array &$arr 
   [,  int $sort_flag 
  ] )This function sorts an array according to current locale rules.
Equivalent to standard PHP sort() .
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
         
Collator::SORT_REGULAR .
       It is also used if an invalid sort_flag value has been specified.
       
   成功时返回  TRUE , 或者在失败时返回  FALSE 。
  
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', )