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<?php class A { public static function printSelf() { echo 'self = ' . self::class . "\n"; } public static function printStatic() { echo 'static = ' . static::class . "\n"; } } class B extends A { } A::test(); B::test();
Output for 7.0.0 - 7.0.20, 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
Fatal error: Uncaught Error: Call to undefined method A::test() in /in/qqO2E:21 Stack trace: #0 {main} thrown in /in/qqO2E on line 21
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Fatal error: Call to undefined method A::test() in /in/qqO2E on line 21
Process exited with code 255.

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