Factory for categories

gistfile1.txt

abstract class Channel
{
  protected $_identifier;
  protected $_id;
  protected $_iblId;

  public function getIdentifier() {
    return $this->_identifier;
  }
    
  public function  getId() {
    return $this->_id;
  }

  public function  getIblid() {
    return $this->_iblId;
  }
  
  //Additional channel logic

}

class Channels_BbcOne extends Channel
{
  //this is all the channel objects will ever have.
  public function  __construct(){
    $this->_identifier = 'bbcone';
    $this->_id = 'bbc_one';
    $this->_iblId = 'bbc_one_london';
  }
}

class ChannelsFactory
{
  private $_channel;

  public function __construct($channel) {
	$this->_channel = $channel;
  }

  public function build() {
    switch ($this->_channel) {
     case 'bbcone':
        return new Channels_BbcOne();
        break;
     case 'bbctwo':
        return new Channels_BbcTwo();
        break;
     }
  }
}

// USAGE:
$channel = 'bbcone'; //getParam or whatever
$channelFactory = new ChannelsFactory($channel);
$channelObject = $channelFactory->build();
echo $channelObject->getId();