3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { function bar() { $this = 'get fucked'; } }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Fatal error: Cannot re-assign $this in /in/9O7gT on line 6
Process exited with code 255.
preferences:
170.17 ms | 940 KiB | 37 Q