<?PHP
  function Subst($string, $subst = array()) {
    $tr = array('$$' => '$');
    
    foreach($subst as $key => $value)
      $tr['$' . $key] = $value;
    
    krsort($tr);
    
    return strtr($string, $tr);
  }
  
  if(get_magic_quotes_gpc()) {
    function Unquote($string) {
      return stripslashes($string);
    }
  }
  else {
    function Unquote($string) {
      return $string;
    }
  }
?>