3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php strtolower('A') = 5;
Output for 5.4.20
Fatal error: Can't use function return value in write context in /in/DaNip on line 3
Process exited with code 255.
Output for 5.3.0 - 5.4.19
Fatal error: Can't use function return value in write context in /in/fS1Ov on line 3
Process exited with code 255.