3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gimmeFalse() : false { return false; } var_dump(gimmeFalse());
Output for 7.2.0 - 7.2.31, 7.3.0 - 7.3.19, 7.4.0 - 7.4.7
Fatal error: Cannot use 'false' as class name as it is reserved in /in/MqsvC on line 3
Process exited with code 255.
preferences:
182.46 ms | 1395 KiB | 67 Q