Sstalle\php7cc\NodeVisitor\RemovedFunctionCallVisitor::enterNode PHP Метод

    public function enterNode(Node $node)
    {
        if (!$this->functionAnalyzer->isFunctionCallByStaticName($node, $this->removedFunctionNames)) {
            return;
        }
        /** @var Node\Expr\FuncCall $node */
        $this->addContextMessage(sprintf('Removed function "%s" called', $node->name->toString()), $node);
    }