3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php abstract class T { static $instanses; final private function __construct(){ } public static function getInstance() { if (!isset(static::$instanses)) { $className = get_class($this); static::$instanses = new $className; } return static::$instanses; } } class A extends T { } class B extends A { } $t = A::getInstance(); var_dump($t); $t1 = B::getInstance(); var_dump($t1); ?>
based on r0I31
Output for 7.1.0 - 7.2.0
Fatal error: Uncaught Error: Using $this when not in object context in /in/mPnjo:14 Stack trace: #0 /in/mPnjo(30): T::getInstance() #1 {main} thrown in /in/mPnjo on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Notice: Undefined variable: this in /in/mPnjo on line 14 Fatal error: Uncaught Error: Cannot instantiate abstract class T in /in/mPnjo:15 Stack trace: #0 /in/mPnjo(30): T::getInstance() #1 {main} thrown in /in/mPnjo on line 15
Process exited with code 255.
Output for 5.3.17 - 5.6.28
Notice: Undefined variable: this in /in/mPnjo on line 14 Fatal error: Cannot instantiate abstract class T in /in/mPnjo on line 15
Process exited with code 255.