<?php

class Pets {

	public $name;
	public $body;
	public $head;
	public $tail;
	public $paws;

	public function __construct($name,$body,$head,$tail,$paws){
		$this->name = $name;
		$this->body = $body;
		$this->head = $head;
		$this->tail = $tail;
		$this->paws = $paws;
	}

}

class Dogs extends Pets{

	public $wool;
	public $ice;
	public $color;

	public function __construct($name,$body,$head,$tail,$paws,$wool,$ice,$color){
		parent::__construct($name,$body,$head,$tail,$paws);
		$this->wool = $wool;
		$this->ice = $ice;
		$this->color = $color;
	}

	public function show(){

		$string  = $this->name;
		$string .= $this->body;
		$string .= $this->head;
		$string .= $this->tail;
		$string .= $this->paws;
		$string .= $this->wool;
		$string .= $this->ice;
		$string .= $this->color;

		return $string;

	}

}

$booldog = new Dogs('Бульдог','Короткое','Маленькая','Короткий','Коотенькие','Короткая','Голубые','Бежевый');

echo $booldog->show('Название породы');