3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Foo { abstract protected static function bar(); } class Bar extends Foo { }
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Strict Standards: Static function Foo::bar() should not be abstract in /in/h2aQW on line 4 Fatal error: Class Bar contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Foo::bar) in /in/h2aQW on line 9
Process exited with code 255.
Output for 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class Bar contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Foo::bar) in /in/h2aQW on line 9
Process exited with code 255.
Output for 5.0.2 - 5.0.4
Fatal error: Class Bar contains 1 abstract methods and must therefore be declared abstract (Foo::bar) in /in/h2aQW on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.1
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/h2aQW 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/h2aQW on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/h2aQW on line 2
Process exited with code 255.

preferences:
228.67 ms | 1395 KiB | 123 Q