3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo { public function bar(array $baz = null); } class Hello implements Foo { public function bar(array $baz = []) { } }

Looking for PHP 7.0.6 bugs?

Version 7.0.6 was released twice by the PHP Team. We're using the latest version;
meaning this script no longer shows the bug which the original release had.

The bugs that were fixed in the second release are 72116 and 72119.

Output for 8.4.1 - 8.4.12
Deprecated: Foo::bar(): Implicitly marking parameter $baz as nullable is deprecated, the explicit nullable type must be used instead in /in/VhEtd on line 4 Fatal error: Declaration of Hello::bar(array $baz = []) must be compatible with Foo::bar(?array $baz = null) in /in/VhEtd on line 8
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25
Fatal error: Declaration of Hello::bar(array $baz = []) must be compatible with Foo::bar(?array $baz = null) in /in/VhEtd on line 8
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Declaration of Hello::bar(array $baz = Array) must be compatible with Foo::bar(?array $baz = NULL) in /in/VhEtd on line 8
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Fatal error: Declaration of Hello::bar(array $baz = Array) must be compatible with Foo::bar(?array $baz = NULL) in /in/VhEtd on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/VhEtd on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/VhEtd on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/VhEtd on line 3
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/VhEtd on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VhEtd on line 3
Process exited with code 255.
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