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<?php class DriverBaseService { private static $instance; public static function getInstance() { if(empty(self::$instance)) { self::$instance = new self(); } return self::$instance; } public function test() { echo __CLASS__; } } class DriverService extends DriverBaseService { } DriverService::getInstance()->test();
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, 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
DriverBaseService
preferences:
237.14 ms | 404 KiB | 330 Q