3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gimmeTrue() : true { return true; } var_dump(gimmeTrue());
Output for 7.2.0 - 7.2.31, 7.3.0 - 7.3.19, 7.4.0 - 7.4.7
Fatal error: Cannot use 'true' as class name as it is reserved in /in/ZnWmc on line 3
Process exited with code 255.
preferences:
197.9 ms | 940 KiB | 68 Q