3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php <?php declare(strict_types=1); function sum($a, $b): int { return $a + $b; } var_dump(sum(1, 2)); var_dump(sum(1, 2.5)); ?>
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '<', expecting end of file in /in/M0YBZ on line 3
Process exited with code 255.
Output for 5.3.21 - 5.6.16
Parse error: syntax error, unexpected '<' in /in/M0YBZ on line 3
Process exited with code 255.