function ExpressionParser::checkConstantExpression

1 call to ExpressionParser::checkConstantExpression()

ExpressionParser::parseArguments in vendor/twig/twig/src/ExpressionParser.php

Parses arguments.

File

vendor/twig/twig/src/ExpressionParser.php, line 845

Class

ExpressionParser

Parses expressions.

Namespace

Twig

Code

private function checkConstantExpression(Node $node) : bool {
    if (!($node instanceof ConstantExpression || $node instanceof ArrayExpression || $node instanceof NegUnary || $node instanceof PosUnary)) {
        return false;
    }
    foreach ($node as $n) {
        if (!$this->checkConstantExpression($n)) {
            return false;
        }
    }
    return true;
}