3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); function foo(string $str = null) { var_dump($str); } foo('test'); foo(null); foo();
based on VVta5
Output for 7.0.0 - 7.2.0
string(4) "test" NULL NULL
Output for 5.3.0 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/oRoZM on line 1 Catchable fatal error: Argument 1 passed to foo() must be an instance of string, string given, called in /in/oRoZM on line 7 and defined in /in/oRoZM on line 3
Process exited with code 255.
Output for 5.2.0 - 5.2.17
Catchable fatal error: Argument 1 passed to foo() must be an instance of string, string given, called in /in/oRoZM on line 7 and defined in /in/oRoZM on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to foo() must be an object of class string, called in /in/oRoZM on line 7 and defined in /in/oRoZM on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Argument 1 must be an object of class string in /in/oRoZM on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/oRoZM on line 3
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/oRoZM on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/oRoZM on line 3
Process exited with code 255.