3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class alpha { function read() { return 'a'; } } class bravo extends alpha { function read() { return 'b'; } } class charly { private $buff; function read() { return $this->buff->read(); } function write($text) { return $this->buff = $text; } } $a = new charly(); echo $a->read();
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to a member function read() on null in /in/YgHvS:22 Stack trace: #0 /in/YgHvS(31): charly->read() #1 {main} thrown in /in/YgHvS on line 22
Process exited with code 255.
Output for 5.6.8 - 5.6.28
Fatal error: Call to a member function read() on null in /in/YgHvS on line 22
Process exited with code 255.
Output for 5.3.20 - 5.5.35
Fatal error: Call to a member function read() on a non-object in /in/YgHvS on line 22
Process exited with code 255.