utf8/ucwords.php

   1 <?php defined('SYSPATH') OR die('No direct script access.');
   2 /**
   3  * UTF8::ucwords
   4  *
   5  * @package    Kohana
   6  * @author     Kohana Team
   7  * @copyright  (c) 2007-2012 Kohana Team
   8  * @copyright  (c) 2005 Harry Fuecks
   9  * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
  10  */
  11 function _ucwords($str)
  12 {
  13         if (UTF8::is_ascii($str))
  14                 return ucwords($str);
  15
  16         // [\x0c\x09\x0b\x0a\x0d\x20] matches form feeds, horizontal tabs, vertical tabs, linefeeds and carriage returns.
  17         // This corresponds to the definition of a 'word' defined at http://php.net/ucwords
  18         return preg_replace_callback(
  19                 '/(?<=^|[\x0c\x09\x0b\x0a\x0d\x20])[^\x0c\x09\x0b\x0a\x0d\x20]/u',
  20                 function($matches){
  21                         return UTF8::strtoupper($matches[0]);
  22                 },
  23                 $str);
  24 }