interface/modules/zend_modules/library/Zend/Filter/Word/CamelCaseToSeparator.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Filter\Word;
  11
  12 use Zend\Stdlib\StringUtils;
  13
  14 class CamelCaseToSeparator extends AbstractSeparator
  15 {
  16     /**
  17      * Defined by Zend\Filter\Filter
  18      *
  19      * @param  string $value
  20      * @return string
  21      */
  22     public function filter($value)
  23     {
  24         if (StringUtils::hasPcreUnicodeSupport()) {
  25             $pattern     = array('#(?<=(?:\p{Lu}))(\p{Lu}\p{Ll})#', '#(?<=(?:\p{Ll}|\p{Nd}))(\p{Lu})#');
  26             $replacement = array($this->separator . '\1', $this->separator . '\1');
  27         } else {
  28             $pattern     = array('#(?<=(?:[A-Z]))([A-Z]+)([A-Z][a-z])#', '#(?<=(?:[a-z0-9]))([A-Z])#');
  29             $replacement = array('\1' . $this->separator . '\2', $this->separator . '\1');
  30         }
  31
  32         return preg_replace($pattern, $replacement, $value);
  33     }
  34 }