services loader w/o instanciate via NEW keyword

loader.php

<?php

abstract class AbstractService
{
        protected $options;

        final protected function __construct($options)
        {
                $this->options = $options;
        }
}

class RealService extends AbstractService
{

        public function test()
        {
                return $this->options;
        }
}

class BadService
{

}


class Loader extends AbstractService
{
        protected static $services;

        public static function load($name, $options = null)
        {
                if (!isset(static::$services[$name]))
                {
                        $service = new $name($options);
                        static::$services[$name] = $service;
                }
                return static::$services[$name];
        }


}

$options = [1,2,3];

$service = Loader::load('RealService', $options);

var_dump($service->test());

/* output
array(3) {
  [0] =>
  int(1)
  [1] =>
  int(2)
  [2] =>
  int(3)
}
*/

# - ! -

$options = ['o_O'];

$service = Loader::load('RealService', $options);

var_dump($service->test());

/* output
array(3) {
  [0] =>
  int(1)
  [1] =>
  int(2)
  [2] =>
  int(3)
}
*/

# - ! -
//$service1 = new RealService(['a','b','c']); // PHP Fatal error:
~