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; } var_dump(add(1, 2)); // float(3)
based on 7ZacG
Output for 7.0.0 - 7.2.0
float(3)
Output for 5.3.0 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/u6Rec on line 3 Parse error: syntax error, unexpected ':', expecting '{' in /in/u6Rec on line 5
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected ':', expecting '{' in /in/u6Rec on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' in /in/u6Rec on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/u6Rec on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/u6Rec on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/u6Rec on line 5
Process exited with code 255.