GrumPHP\Parser\Php\Visitor\ForbiddenClassMethodCallsVisitor::leaveNode PHP Метод

    public function leaveNode(Node $node)
    {
        if (!$node instanceof Node\Expr\MethodCall || !isset($node->var->name)) {
            return;
        }
        $variable = $node->var->name;
        $method = $node->name;
        $normalized = sprintf('$%s->%s', $variable, $method);
        if (!in_array($normalized, $this->blacklist)) {
            return;
        }
        $this->addError(sprintf('Found blacklisted "%s" method call', $normalized), $node->getline(), ParseError::TYPE_ERROR);
    }