*/ protected static $singleton__object_instances__array = array(); /** * @param mixed ...$args * @return static */ final public static function getInstance( ...$args ) { $class = get_called_class(); if ( !isset(static::$singleton__object_instances__array[ $class ]) ) { static::$singleton__object_instances__array[ $class ] = new $class(...$args); } return static::$singleton__object_instances__array[ $class ]; } /** * @param mixed ...$args * @return static */ final public static function instance( ...$args ) { return static::getInstance( ...$args ); } private function __construct() {} final public function __wakeup() {} final public function __clone() {} /** * Resets the singleton instance — intended for use in unit tests only. * * @return void */ final public static function resetInstance(): void { $class = get_called_class(); unset( static::$singleton__object_instances__array[ $class ] ); } }