function MacroTokenParser::checkConstantExpression

1 call to MacroTokenParser::checkConstantExpression()

MacroTokenParser::parseDefinition in vendor/twig/twig/src/TokenParser/MacroTokenParser.php

File

vendor/twig/twig/src/TokenParser/MacroTokenParser.php, line 107

Class

MacroTokenParser

Defines a macro.

Namespace

Twig\TokenParser

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;
}