90         $funcName = PhpString::strtolower($m[1]);
95         switch ($funcName) {
97                 return $this->_IF($params, $funcName);
99                 return $this->_IFEQ($params, $funcName);
101                 return $this->_IFEXIST($params, $funcName);
103                 return $this->_SWITCH($params, $funcName);
105                 return $this->_EXPR($params, $funcName);
107                 return $this->helper->formatError('important', $funcName, 'no_such_function');
223     function _IF($params, $funcName)  argument
226             $result = $this->helper->formatError('alert', $funcName, 'not_enough_params');
243     function _IFEQ($params, $funcName)  argument
246             $result = $this->helper->formatError('alert', $funcName, 'not_enough_params');
272      * @param string $funcName Name of the parser function (for error messages)
275     function _IFEXIST($params, $funcName)  argument
278             return $this->helper->formatError('alert', $funcName, 'not_enough_params');
283             return $this->helper->formatError('alert', $funcName, 'empty_test_parameter');
302     function _SWITCH($params, $funcName) {  argument
304             return $this->helper->formatError('alert', $funcName, 'not_enough_params');
323     private function _EXPR($params, $funcName) {  argument
325             return $this->helper->formatError('alert', $funcName, 'empty_test_parameter');