<!DOCTYPE html>
<html>
<body>
<?php
class Fruit { public $name;
public $color;
public function __construct($name, $color) { $this->name = $name;
$this->color = $color;
}
public function intro() { echo "The fruit is {$this->name} and the color is {$this->color}."; }
}
class Strawberry extends Fruit { public $weight;
public function __construct($name, $color, $weight) { $this->name = $name;
$this->color = $color;
$this->weight = $weight;
}
public function intro() { echo "The fruit is {$this->name}, the color is {$this->color}, and the weight is {$this->weight} gram."; }
}
$strawberry = new Strawberry("Strawberry", "red", 50);$strawberry->intro();
?>
</body>
</html>