3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo { public function __construct($bar); } class Bar implements Foo { public function __construct($bar, $baz) {} }
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Declaration of Bar::__construct($bar, $baz) must be compatible with Foo::__construct($bar) in /in/7EaDu on line 10
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of Bar::__construct($bar, $baz) must be compatible with Foo::__construct($bar) in /in/7EaDu on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Declaration of Bar::__construct() must be compatible with Foo::__construct($bar) in /in/7EaDu on line 8
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Fatal error: Declaration of Bar::__construct() must be compatible with that of Foo::__construct() in /in/7EaDu on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/7EaDu on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/7EaDu on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7EaDu on line 2
Process exited with code 255.

preferences:
254.77 ms | 401 KiB | 323 Q