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<?php abstract class Result { private final function __construct() { } public static function success() { return new Success(); } public static function failure() { return new Failure(); } } final class Success extends Result { public static function fakeIt() { return new self(); } } final class Failure extends Result { } var_dump(Result::success()); var_dump(Result::failure()); Success::fakeIt();
Output for rfc.property-hooks, git.master, git.master_jit
object(Success)#1 (0) { } object(Failure)#1 (0) { } Fatal error: Uncaught Error: Call to private Result::__construct() from scope Success in /in/5aK01:22 Stack trace: #0 /in/5aK01(34): Success::fakeIt() #1 {main} thrown in /in/5aK01 on line 22
Process exited with code 255.

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