PhpMigration\Changes\AbstractIntroduced::isNewFunc PHP Method

    protected function isNewFunc($node)
    {
        if (!isset($this->funcTable) || !$node instanceof Stmt\Function_ || !is_string($node->migName)) {
            return;
        }
        return $this->funcTable->has($node->migName) && (is_null($this->condFunc) || !ParserHelper::isSameFunc($node->migName, $this->condFunc));
    }