3v4l.org

run code in 500+ PHP versions simultaneously
<?php enum E: string { case A = 'a'; case B = 'b'; case C = 'c'; case D = 'd'; } var_dump(in_array(E::B, E::cases())); var_dump(array_unique(E::cases())); var_dump(array_unique(E::cases(), SORT_REGULAR)); ?>
Output for 8.3.5 - 8.3.18, 8.4.9 - 8.4.22, 8.5.3 - 8.5.7
bool(true) Fatal error: Uncaught Error: Object of class E could not be converted to string in /in/q9iGl:12 Stack trace: #0 /in/q9iGl(12): array_unique(Array) #1 {main} thrown in /in/q9iGl on line 12
Process exited with code 255.
preferences:
33.63 ms | 528 KiB | 4 Q