3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { abstract function method($a); } abstract class B extends A { abstract function method($a, $b); }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.35
Fatal error: Can't inherit abstract function A::method() (previously declared abstract in B) in /in/rj5AF on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/rj5AF 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_CLASS in /in/rj5AF on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/rj5AF on line 2
Process exited with code 255.

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