3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); function foo(string $foo = null, array $bar) { var_dump($foo, $bar); } foo(null, [123]);
Output for 7.0.0 - 7.2.0
NULL array(1) { [0]=> int(123) }
Output for 5.4.11 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/tGHmi on line 1 NULL array(1) { [0]=> int(123) }
Output for 5.3.21 - 5.3.29
Warning: Unsupported declare 'strict_types' in /in/tGHmi on line 1 Parse error: syntax error, unexpected '[' in /in/tGHmi on line 8
Process exited with code 255.