3v4l.org

run code in 300+ PHP versions simultaneously
<?php final class PaypalRepository { /** * @var string */ private $apiUrl; public function __construct() { if (rand(0,1)) { $this->apiUrl = 'https://example.com/'; } else { $this->apiUrl = 'https://another.example.com/'; } unset($this->apiUrl); } } new PaypalRepository();

preferences:
25.25 ms | 404 KiB | 5 Q