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run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { protected static $_instance; protected function __construct() {} public static function getInstance() { if (self::$_instance === null) { self::$_instance = new self(); } return self::$_instance; } } class B extends A { public function hi() { echo 'HI'; } } echo get_class(B::getInstance()); $b = B::getInstance(); $b->hi();
based on i4VGd
Output for 7.0.0 - 7.2.0
A Fatal error: Uncaught Error: Call to undefined method A::hi() in /in/e8Q2o:27 Stack trace: #0 {main} thrown in /in/e8Q2o on line 27
Process exited with code 255.
Output for 5.4.0 - 5.6.28
A Fatal error: Call to undefined method A::hi() in /in/e8Q2o on line 27
Process exited with code 255.