3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function add(int $x, int $y): int { return $x + $y; } var_dump(add(1, 2)); var_dump(add(1, '2'));
Output for hhvm-3.11.1 - 3.17.3, 7.0.0 - 7.2.0
int(3) int(3)
Output for hhvm-3.10.1
Fatal error: Syntax only allowed in Hack files (<?hh) or with -v Eval.EnableHipHopSyntax=true in /in/Gq4NK on line 3
Process exited with code 255.
Output for 5.5.0 - 5.6.30
Parse error: syntax error, unexpected ':', expecting '{' in /in/Gq4NK on line 3
Process exited with code 255.