3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { function foo() { $this->a = 'a'; } } $a = new A(); $a->foo(); echo $this;
Output for 7.1.0
Fatal error: Uncaught Error: Using $this when not in object context in /in/kTM0H:11 Stack trace: #0 {main} thrown in /in/kTM0H on line 11
Process exited with code 255.
Output for 5.5.0 - 7.0.14
Notice: Undefined variable: this in /in/kTM0H on line 11
Output for 4.3.0 - 5.4.45