3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait Singleton { public static function getInstance(){ static $instance = null; if (!isset(static::$instance)) { static::$instance = new static(); } return static::$instance; } } abstract class Abudabia { use Singleton; } class a1 extends Abudabia { public function set() { return 'allah ahbar'; } } class a2 extends Abudabia { public function get() { return 'algazira'; } } $a = a1::getInstance(); $b = a2::getInstance(); var_dump($a,$b);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Access to undeclared static property a1::$instance in /in/BE8HE:7 Stack trace: #0 /in/BE8HE(34): Abudabia::getInstance() #1 {main} thrown in /in/BE8HE on line 7
Process exited with code 255.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
29.07 ms | 401 KiB | 8 Q