3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); function foo():DateTime { return null;} var_dump(foo());
based on VuAoU
Output for 7.0.0 - 7.3.1
Fatal error: Uncaught TypeError: Return value of foo() must be an instance of DateTime, null returned in /in/Vv1XO:5 Stack trace: #0 /in/Vv1XO(6): foo() #1 {main} thrown in /in/Vv1XO on line 5
Process exited with code 255.
Output for 5.3.21 - 5.6.38
Warning: Unsupported declare 'strict_types' in /in/Vv1XO on line 3 Parse error: syntax error, unexpected ':', expecting '{' in /in/Vv1XO on line 5
Process exited with code 255.