3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); function add(float $a, float $b): float { return $a + $b; } add(1, 2); // float(3)
Output for 7.0.0 - 7.2.0
Output for 5.3.19 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/T4Y0L on line 2 Parse error: syntax error, unexpected ':', expecting '{' in /in/T4Y0L on line 4
Process exited with code 255.