3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(0 || 2 ?? 3 ? 4 : 5); // ((0 || 2) ?? 3) ? 4 : 5 => int(4); echo 0 || 2 ?? 3 ? 4 : 5;
based on leqvq
Output for 7.0.0 - 7.2.0
int(4) 4
Output for 5.3.19 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/v7Ihs on line 3
Process exited with code 255.