walkArithmeticPrimary($this->datetime), $sqlWalker->walkArithmeticPrimary($this->fmt) ); } public function parse(Parser $parser) { $parser->match(Lexer::T_IDENTIFIER); $parser->match(Lexer::T_OPEN_PARENTHESIS); $this->datetime = $parser->ArithmeticExpression(); $parser->match(Lexer::T_COMMA); $this->fmt = $parser->StringExpression(); $parser->match(Lexer::T_CLOSE_PARENTHESIS); } }