Online PHP editor | output for RpMVW

<?php interface ConfigValueInterface { public function __toString(); } interface ConfigWriterInterface { public function write(ConfigValueInterface $value); } class WriteManager { protected $writers = []; public function addWriter(ConfigWriterInterface $writer, $value_class) { $this->writers[$value_class] = $writer; } public function write(ConfigValueInterface $value) { $class = get_class($value); if (isset($this->writers[$class])) { $this->writers[$class]->write($value); } } } class BaseConfigValue implements ConfigValueInterface { public $storage_location; } class BaseConfigWriter implements ConfigWriterInterface { public function write(BaseConfigValue $value) { echo "writing to {$value->storage_location}"; } } // Set up manager $manager = new WriteManager(); $manager->addWriter(new BaseConfigWriter, BaseConfigValue::class); // $value = $generator->generate(); $manager->write($value);