<?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 unserialize('O:7:"Success":0:{}'); } } final class Failure extends Result { } var_dump(Result::success()); var_dump(Result::failure()); var_dump(Success::fakeIt());
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Value for `_results` contains invalid data `array`