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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(unserialize('a:3:{i:0;s:23:"i.petretskiy@netrika.ru";i:1;s:22:"pochta@test.netrika.ru";i:2;s:22:"i.razdymaho@netrika.ru";}')); abstract class T { static public $instanses; final private function __construct(){ } public static function getInstance() { if (!(static::$instanses instanceof static)) { static::$instanses = new static; } return static::$instanses; } } class A extends T { static public $instanses; } class B extends A { static public $instanses; } $t = A::getInstance(); var_dump($t); $t1 = B::getInstance(); var_dump($t1); new B(); ?>
based on dURXZ
Output for 7.0.0 - 7.2.0
array(3) { [0]=> string(23) "i.petretskiy@netrika.ru" [1]=> string(22) "pochta@test.netrika.ru" [2]=> string(22) "i.razdymaho@netrika.ru" } object(A)#1 (0) { } object(B)#2 (0) { } Fatal error: Uncaught Error: Call to private T::__construct() from invalid context in /in/Ivjj0:39 Stack trace: #0 {main} thrown in /in/Ivjj0 on line 39
Process exited with code 255.
Output for 5.3.18 - 5.6.28
array(3) { [0]=> string(23) "i.petretskiy@netrika.ru" [1]=> string(22) "pochta@test.netrika.ru" [2]=> string(22) "i.razdymaho@netrika.ru" } object(A)#1 (0) { } object(B)#2 (0) { } Fatal error: Call to private T::__construct() from invalid context in /in/Ivjj0 on line 39
Process exited with code 255.