box-o-sand/c&s20150725/inheritance.php

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2015-07-25 18:03:01 +00:00
<?php
class Pet {
public $name;
public $isRunning = false;
public function run()
{
$this->isRunning = true;
return $this->name . ' is running';
}
}
class Dog extends Pet {
protected $currentChaseTarget;
public function chase(Pet $chaseTarget)
{
$this->isRunning = true;
$this->currentChaseTarget = $chaseTarget;
$this->currentChaseTarget->run();
return $this->name . ' is chasing ' . $chaseTarget->name;
}
}
$cat = new Pet();
$cat->name = 'Felix';
var_dump($cat);
$cat->run();
var_dump($cat);
$dog = new Dog();
$dog->name = 'Fido';
var_dump($dog);
var_dump($dog->chase($cat));
var_dump($dog);
var_dump($cat);