public function ResultVariable()
{
$this->match(Lexer::T_IDENTIFIER);
$resultVariable = $this->_lexer->token['value'];
// Defer ResultVariable validation
$this->_deferredResultVariables[] = array(
'expression' => $resultVariable,
'nestingLevel' => $this->_nestingLevel,
'token' => $this->_lexer->token,
);
return $resultVariable;
}