$this->health -= 1;
return $this;
}
public function run()
{
$this->health -= 5;
return $this;
}
public function displayHealth()
{
echo "<br/>Name: " . $this->name;
echo "<br/>Health: " . $this->health;
}
}
$animal = new animal("animal");
$animal->walk()->walk()->walk()->run()->run();
echo $animal->displayHealth();
echo "<br>";
class dog extends animal
{
public function __construct($name)
{
$this->name = $name;
$this->health = 150;
}
public function pet()
{
$this->health += 5;
}
}
$dog = new dog("dog");
echo "<br>";
return $this;
}
}
class dragon extends animal
{
public function __construct($name)
{
parent::__construct($name);
$this->health = 170;
}
public function fly()
{
echo "Flying..... ";
echo "<br>";
$this->health -= 10;
return $this;
}
public function display_health()
{
echo "This is a dragon";
echo "<br>";
parent::display_health();
}
}
$animal1 = new animal("Rhino");
$animal1->walk()->walk()->walk()->run()->run()->display_health();
$animal2 = new dog("Lance the dog walker");
$animal2->walk()->walk()->walk()->run()->run()->pet()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->run()->walk()->walk()->walk()->display_health();
$animal3 = new dragon("Elysian");
$animal3->walk()->walk()->walk()->run()->run()->fly()->fly()->display_health();
