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<?php //my variante final class StateOptions { public function __construct(array $options) { $this->options = $options; } private function validate() { if ($this->options === []) { return false; } return true; } public function getNextState() { return $this->options['nextState'] ?? 'defaultstate'; } } class BusinessLogicServiceOOp { public function changeState(StateOptions $stateOptions) { $this->changeTo($stateOptions->getNextState()); } public function changeTo(string $changeTo) { echo $changeTo; } } //array solution class BusinessLogicServiceLegacy { public function changeState(array $stateOptions) { /** Problem here is, that no validation ran on mandatory or optional flags or on valid flags from business perspective**/ $this->changeTo($stateOptions['nextState'] ?? 'defaultstate'); } public function changeTo(string $changeTo) { echo $changeTo; } } (new BusinessLogicServiceLegacy())->changeState([]); (new BusinessLogicServiceOOp())->changeState(new StateOptions([]));
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
defaultstate Deprecated: Creation of dynamic property StateOptions::$options is deprecated in /in/s7McT on line 8 defaultstate
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
defaultstatedefaultstate

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