3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function add(int $a, int $b) :string { return $a+$b; } $a = add(1.1,'2'); echo "$a";
based on s7aAS
Output for 7.0.0 - 7.2.0
3
Output for 5.3.21 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/XbkW3 on line 3
Process exited with code 255.