3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 5; $b = 4; function crazy(int $a, int & $b) { return ((($a == !$b) ?? $c ) === ($a % $b)) ? $a : ($b == $a); } echo crazy($a, $b);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/RZXqs on line 8
Process exited with code 255.
preferences:
170.65 ms | 402 KiB | 214 Q