interface/modules/zend_modules/library/Zend/Filter/Word/SeparatorToCamelCase.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 SeparatorToCamelCase 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         // a unicode safe way of converting characters to \x00\x00 notation
  25         $pregQuotedSeparator = preg_quote($this->separator, '#');
  26
  27         if (StringUtils::hasPcreUnicodeSupport()) {
  28             $patterns = array(
  29                 '#(' . $pregQuotedSeparator.')(\p{L}{1})#u',
  30                 '#(^\p{Ll}{1})#u',
  31             );
  32             if (!extension_loaded('mbstring')) {
  33                 $replacements = array(
  34                     function ($matches) {
  35                         return strtoupper($matches[2]);
  36                     },
  37                     function ($matches) {
  38                         return strtoupper($matches[1]);
  39                     },
  40                 );
  41             } else {
  42                 $replacements = array(
  43                     function ($matches) {
  44                         return mb_strtoupper($matches[2], 'UTF-8');
  45                     },
  46                     function ($matches) {
  47                         return mb_strtoupper($matches[1], 'UTF-8');
  48                     },
  49                 );
  50             }
  51         } else {
  52             $patterns = array(
  53                 '#(' . $pregQuotedSeparator.')([A-Za-z]{1})#',
  54                 '#(^[A-Za-z]{1})#',
  55             );
  56             $replacements = array(
  57                 function ($matches) {
  58                     return strtoupper($matches[2]);
  59                 },
  60                 function ($matches) {
  61                     return strtoupper($matches[1]);
  62                 },
  63             );
  64         }
  65
  66         $filtered = $value;
  67         foreach ($patterns as $index => $pattern) {
  68             $filtered = preg_replace_callback($pattern, $replacements[$index], $filtered);
  69         }
  70         return $filtered;
  71     }
  72 }