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<?php abstract class Test { abstract public static function testing(); } class Test2 { public static function testing() { echo 'test'; } } Test2::testing();
based on T9Ypp
Output for 7.0.0 - 7.2.0
test
Output for 5.3.22 - 5.6.28
Strict Standards: Static function Test::testing() should not be abstract in /in/gHOdP on line 5 test