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53 lines
802 B
53 lines
802 B
<?php
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class Pet {
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public $name;
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public $isRunning = false;
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private function __construct()
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{}
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public static function create($name)
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{
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$newPet = new static;
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$newPet->name = $name;
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return $newPet;
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}
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public function run()
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{
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$this->isRunning = true;
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return $this->name . ' is running';
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}
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}
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class Dog extends Pet {
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protected $currentChaseTarget;
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public function chase(Pet $chaseTarget)
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{
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$this->isRunning = true;
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$this->currentChaseTarget = $chaseTarget;
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$this->currentChaseTarget->run();
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return $this->name . ' is chasing ' . $chaseTarget->name;
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}
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}
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$cat = Pet::create('Felix');
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var_dump($cat);
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$cat->run();
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var_dump($cat);
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$dog = Dog::create('Fido');
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var_dump($dog);
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var_dump($dog->chase($cat));
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var_dump($dog);
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var_dump($cat);
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