3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Authenticator { protected $isloggedin; protected $session; public function __construct(Session $session) { $this->session = $session; if ( ! empty($session->get('isloggedin')) && $session->get('isloggedin') == true) { //$isl = $session->get('isloggedin'); //if ( ! empty($isl) && $isl == true) { $this->isloggedin = true; } } } interface Session { public function set($key, $val=true); public function get($key); } class BasicSession implements Session { protected $session = array(); public function __construct() { if ( ! session_start() ) { throw new Exception('Could not initiate web session'); } $this->session = $_SESSION; } public function set($key, $val=true) { $this->session[$key] = $val; } public function get($key) { if (isset($this->session[$key])) { return $this->session[$key]; } return false; } } try { $sess = new BasicSession(); $auth = new Authenticator($sess); } catch (Exception $e) { die('System go KA-BOOM! ' . $e->getMessage()); }

preferences:
52.36 ms | 402 KiB | 5 Q