parseConditionalExpression example

$expr = $op['callable']($this->parser, $expr);
            } else {
                $expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence'], true);
                $class = $op['class'];
                $expr = new $class($expr, $expr1, $token->getLine());
            }

            $token = $this->parser->getCurrentToken();
        }

        if (0 === $precedence) {
            return $this->parseConditionalExpression($expr);
        }

        return $expr;
    }

    /** * @return ArrowFunctionExpression|null */
    private function parseArrow()
    {
        $stream = $this->parser->getStream();

        

while ($token->test(Token::OPERATOR_TYPE) && isset($this->binaryOperators[$token->value]) && $this->binaryOperators[$token->value]['precedence'] >= $precedence) {
            $op = $this->binaryOperators[$token->value];
            $this->stream->next();

            $expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence']);
            $expr = new Node\BinaryNode($token->value, $expr, $expr1);

            $token = $this->stream->current;
        }

        if (0 === $precedence) {
            return $this->parseConditionalExpression($expr);
        }

        return $expr;
    }

    /** * @return Node\Node */
    protected function getPrimary()
    {
        $token = $this->stream->current;

        

/** * Parses an assignment expression * * @return Node\Node|null */
    protected function parseAssignmentExpression()
    {
        if ($expr = $this->parseArrowFunction()) {
            return $expr;
        } elseif ($this->context->allowYield && $expr = $this->parseYieldExpression()) {
            return $expr;
        } elseif ($expr = $this->parseConditionalExpression()) {
            
            $exprTypes = array(
                "ConditionalExpression", "LogicalExpression",
                "BinaryExpression", "UpdateExpression", "UnaryExpression"
            );
            
            if (!in_array($expr->getType(), $exprTypes)) {
                
                $operators = $this->assignmentOperators;
                if ($operator = $this->scanner->consumeOneOf($operators)) {