original_string: public function getTextHash($text)
      {
          if (!$text) {
              $text = $this->getText();
          }
          $text = strtolower($text);
  
          return md5('ox' . $text);
      }
code: public function getTextHash($text)
      {
          if (!$text) {
              $text = $this->getText();
          }
          $text = strtolower($text);
  
          return md5('ox' . $text);
      }
code_tokens: public function getTextHash ( $ text ) { if ( ! $ text ) { $ text = $ this -> getText ( ) ; } $ text = strtolower ( $ text ) ; return md5 ( 'ox' . $ text ) ; }
docstring: Returns given string captcha hash
  
  @param string $text string to hash
  
  @return string
docstring_tokens: Returns given string captcha hash