$this->_name = $name; } public function getName() { return $this->_name; } } class ArtistFactory { private $_artists = array(); public function getArtist($name) { if (isset($this->_artists[$name])) { return $this->_artists[$name]; } else { $this->_artists[$name] = new Artist($name); return $this->_artists[$name]; } } } $objArtistFactory = new ArtistFactory(); $objCD1 = new CD(); $objCD1->setTitle("title1"); $objCD1->setArtist($objArtistFactory->getArtist("artist1")); $objCD2 = new CD(); $objCD2->setTitle("title2"); $objCD2->setArtist($objArtistFactory->getArtist("artist2")); $objCD3 = new CD(); $objCD3->setTitle("title3"); $objCD3->setArtist($objArtistFactory->getArtist("artist1"));
} public function getName() { return $this->_name; } } class ArtistFactory { private $_artists = array(); public function getArtist($name) { if (isset($this->_artists[$name])) { return $this->_artists[$name]; } else { $objArtist = new Artist($name); $this->_artists[$name] = $objArtist; return $objArtist; } } } $objArtistFactory = new ArtistFactory(); $objCD1 = new CD(); $objCD1->setTitle("title1"); $objCD1->setArtist($objArtistFactory->getArtist('artist1')); $objCD2 = new CD(); $objCD2->setTitle("title2"); $objCD2->setArtist($objArtistFactory->getArtist('artist2')); $objCD3 = new CD(); $objCD3->setTitle("title3"); $objCD3->setArtist($objArtistFactory->getArtist('artist1'));