3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A { public function foo(int $bar, bool $baz = false): void; } class B implements A { public function foo(int $bar): void { } }
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14
Fatal error: Declaration of B::foo(int $bar): void must be compatible with A::foo(int $bar, bool $baz = false): void in /in/JOtqn on line 8
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33
Fatal error: Declaration of B::foo(int $bar): void must be compatible with A::foo(int $bar, bool $baz = false): void in /in/JOtqn on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Default value for parameters with a class type hint can only be NULL in /in/JOtqn on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' or ';' in /in/JOtqn 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/JOtqn 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/JOtqn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/JOtqn on line 3
Process exited with code 255.

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