Object Oriented Programming » History » Version 1
Amber Herold, 08/02/2011 12:14 PM
| 1 | 1 | Amber Herold | h1. Object Oriented Programming |
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| 4 | h2. Polymorhism |
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| 5 | |||
| 6 | h3. PHP example |
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| 7 | |||
| 8 | <pre> |
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| 9 | interface IAnimal { |
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| 10 | function getName(); |
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| 11 | function talk(); |
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| 12 | } |
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| 13 | |||
| 14 | abstract class AnimalBase implements IAnimal { |
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| 15 | protected $name; |
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| 16 | |||
| 17 | public function __construct($name) { |
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| 18 | $this->name = $name; |
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| 19 | } |
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| 20 | |||
| 21 | public function getName() { |
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| 22 | return $this->name; |
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| 23 | } |
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| 24 | } |
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| 25 | |||
| 26 | class Cat extends AnimalBase { |
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| 27 | public function talk() { |
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| 28 | return 'Meowww!'; |
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| 29 | } |
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| 30 | } |
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| 31 | |||
| 32 | class Dog extends AnimalBase { |
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| 33 | public function talk() { |
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| 34 | return 'Woof! Woof!'; |
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| 35 | } |
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| 36 | } |
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| 37 | |||
| 38 | $animals = array( |
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| 39 | new Cat('Missy'), |
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| 40 | new Cat('Mr. Mistoffelees'), |
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| 41 | new Dog('Lassie') |
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| 42 | ); |
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| 43 | |||
| 44 | foreach ($animals as $animal) { |
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| 45 | echo $animal->getName() . ': ' . $animal->talk(); |
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| 46 | } |
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| 47 | </pre> |