3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php abstract class T { static public $instanses; final private function __construct(){ } public static function getInstance() { if (!isset(static::$instanses)) { static::$instanses = new static; } return static::$instanses; } } class A extends T { } class B extends A { } $t = A::getInstance(); var_dump($t); $t1 = B::getInstance(); var_dump($t1); new B(); ?>
based on MgbJ5
Output for 7.0.0 - 7.2.0
object(A)#1 (0) { } object(A)#1 (0) { } Fatal error: Uncaught Error: Call to private T::__construct() from invalid context in /in/IgX2b:35 Stack trace: #0 {main} thrown in /in/IgX2b on line 35
Process exited with code 255.
Output for 5.4.0 - 5.6.28
object(A)#1 (0) { } object(A)#1 (0) { } Fatal error: Call to private T::__construct() from invalid context in /in/IgX2b on line 35
Process exited with code 255.