system/core/utf8/ucwords.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2 /**
   3  * utf8::ucwords
   4  *
   5  * @package    Core
   6  * @author     Kohana Team
   7  * @copyright  (c) 2007 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($str)
  12 {
  13         if (SERVER_UTF8)
  14                 return mb_convert_case($str, MB_CASE_TITLE);
  15
  16         if (utf8::is_ascii($str))
  17                 return ucwords($str);
  18
  19         // [\x0c\x09\x0b\x0a\x0d\x20] matches form feeds, horizontal tabs, vertical tabs, linefeeds and carriage returns.
  20         // This corresponds to the definition of a 'word' defined at http://php.net/ucwords
  21         return preg_replace(
  22                 '/(?<=^|[\x0c\x09\x0b\x0a\x0d\x20])[^\x0c\x09\x0b\x0a\x0d\x20]/ue',
  23                 'utf8::strtoupper(\'$0\')',
  24                 $str
  25         );
  26 }