Devise\Pages\Interpreter\Modifiers\EchoDeviseMagic::examineFunction PHP Method

    protected function examineFunction($node)
    {
        $args = [];
        if (!$this->isWhiteListedFunction($node)) {
            return $node;
        }
        foreach ($node->args as $arg) {
            $args[] = $this->examineExpression($arg);
        }
        $node->args = $args;
        return $node;
    }