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<?php class Foo { public function getFoo() { return "FOO!"; } } class Bar { protected function getClass() { return 'Foo'; } } $a = new Bar(); $b = new ${$a->getClass()}; var_dump($b->getFoo());
based on giSjG
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to protected method Bar::getClass() from context '' in /in/gET5I:17 Stack trace: #0 {main} thrown in /in/gET5I on line 17
Process exited with code 255.
Output for 5.3.20 - 5.6.28
Fatal error: Call to protected method Bar::getClass() from context '' in /in/gET5I on line 17
Process exited with code 255.