3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); function sum(int $a, int $b) :int { return $a + $b; } var_dump(sum(1, 2));
based on XicIi
Output for 7.0.0 - 7.2.0
int(3)
Output for 5.3.19 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/0oE0P on line 3 Parse error: syntax error, unexpected ':', expecting '{' in /in/0oE0P on line 5
Process exited with code 255.