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   1  <?php
   2  /**
   3   * Smarty shared plugin
   4   *
   5   * @package Smarty
   6   * @subpackage PluginsShared
   7   */
   8  
   9  if (version_compare(PHP_VERSION, '5.2.3', '>=')) {
  10      /**
  11       * escape_special_chars common function
  12       *
  13       * Function: smarty_function_escape_special_chars<br>
  14       * Purpose:  used by other smarty functions to escape
  15       *           special chars except for already escaped ones
  16       *
  17       * @author   Monte Ohrt <monte at ohrt dot com>
  18       * @param string $string text that should by escaped
  19       * @return string
  20       */
  21      function smarty_function_escape_special_chars($string)
  22      {
  23          if (!is_array($string)) {
  24              $string = htmlspecialchars($string, ENT_COMPAT, Smarty::$_CHARSET, false);
  25          }
  26          return $string;
  27      }  
  28  } else {         
  29      /**
  30       * escape_special_chars common function
  31       *
  32       * Function: smarty_function_escape_special_chars<br>
  33       * Purpose:  used by other smarty functions to escape
  34       *           special chars except for already escaped ones
  35       *
  36       * @author   Monte Ohrt <monte at ohrt dot com>
  37       * @param string $string text that should by escaped
  38       * @return string
  39       */
  40      function smarty_function_escape_special_chars($string)
  41      {
  42          if (!is_array($string)) {
  43              $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
  44              $string = htmlspecialchars($string);
  45              $string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string); 
  46          }
  47          return $string;
  48      }                                                                                                             
  49  } 
  50  
  51  ?>