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Example of the Abstract Factory Design Pattern
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| <?php | |
| class ChairFactory | |
| { | |
| public function createChair(bool $cheap, bool $fancy): ChairInterface | |
| { | |
| if ($cheap && $fancy) { | |
| return new ModernChair(); | |
| } elseif ($fancy) { | |
| return new VictorianRockingChair(); | |
| } elseif ($cheap) { | |
| return new SimpleChair(); | |
| } else { | |
| throw new Exception('No chair matches that criteria'); | |
| } | |
| } | |
| } | |
| interface ChairInterface | |
| { | |
| public function getPrice(); | |
| } | |
| class SimpleChair implements ChairInterface | |
| { | |
| public function getPrice() | |
| { | |
| return 79.99; | |
| } | |
| } | |
| class ModernChair implements ChairInterface | |
| { | |
| public function getPrice() | |
| { | |
| return 149.99; | |
| } | |
| public function swivel() | |
| { | |
| // See the world around you | |
| } | |
| } | |
| class VictorianRockingChair implements ChairInterface | |
| { | |
| public function getPrice() | |
| { | |
| return 199.99; | |
| } | |
| public function rockBackAndForth() | |
| { | |
| // rock out | |
| } | |
| } |
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