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<?php abstract class Test { abstract public static function testing(); } class Test2 { public static function testing() { echo 'test'; } } Test2::testing();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
test
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Static function Test::testing() should not be abstract in /in/gHOdP on line 5 test

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