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<?php class A { public function __construct() { echo __METHOD__ . "\n"; } } abstract class B extends A { protected function __construct() { echo __METHOD__ . "\n"; parent::__construct(); } } class C extends B { public function __construct() { echo __METHOD__ . "\n"; parent::__construct(); } } new C;
Output for 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
C::__construct B::__construct A::__construct
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Fatal error: Access level to B::__construct() must be public (as in class A) in /in/9QHbc on line 13
Process exited with code 255.

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