Зоопарк

<?php
 
 class Pets {
 public $name;
 public $age;
	public $gender;
 
 function __construct($name, $age, $gen="M") {
 $this->name = $name;
 $this->age = $age;
	 $this->gender = $gen;
 }
	
	function getGeneralInfo()
	{
		echo "$this->name , has age: $this->age";
	}
	
	function getGender(){
		echo "$this->gender";
	}
	public function addAge(){
		$this->age++;
	}
 }
 
 class Cat extends Pets {
 public $breed;
	 
 function __construct($name, $age, $gen, $breed) {

parent::__construct($name, $age, $gen);
 
 $this->breed = $breed;
 }
	function getGeneralInfo()
	{
		echo "Cat named $this->name has age: $this->age";
	}
	
	function getInfoAboutAge()
	{
		$age = $this->age;
		if($age < 1.5)
			echo "It's kitty";
		else if ($age >= 1.5 and $age < 3)
			echo "It's yang cat";
		else if ($age >= 3 and $age < 7)
			echo "It's middle-aged cat";
		else
			echo "It's old cat";
		echo "";
	}
	
	public function mew(){
		echo "$this->name is mew";
	}
	
 }
 
 class Dog extends Pets {
 public $breed;
 
 function __construct($name, $age, $gen, $breed) {
 
 parent::__construct($name, $age, $gen);
 
 $this->breed = $breed;
 }
	function getGeneralInfo()
	{
		echo "Dog named $this->name (breed - $this->breed) has age: $this->age";
	}
	
	public function bark(){
		echo "$this->name is barking";
	}
 }
 
 class Hamster extends Pets {
 public $genus;
	
 function __construct($name, $age, $gen, $genus) {

parent::__construct($name, $age, $gen);
       
      $this->genus = $genus;
    }
	
	function getGenus()
	{
		echo "$this->genus";
	}
	
	public function bark(){
		echo "$this->name is barking";
	}
  }
   
  $dog1 = new Dog('Дружок', 7, 'M', 'хаски');
  $dog1->getGeneralInfo();
  $dog1->bark();
  
  $cat = new Cat('Мурзик', 6, 'M', 'сиамец');
  $cat->getGeneralInfo();
  $cat->getInfoAboutAge();
  $cat->addAge();
  $cat->getInfoAboutAge();
  $dog1 ->getGeneralInfo();
  
  $cat2 = new Cat('Барсик', 3, 'M', 'британец');
  $cat2->mew();
  
  //Hamster
 
   
   
?>

Results:

Dog named Дружок (breed - хаски) has age: 7
Дружок is barking
Cat named Мурзик has age: 6
It's middle-aged cat
It's old cat
Dog named Дружок (breed - хаски) has age: 7
Барсик is mew

Results:

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