<?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();
?>