<?php
	class Person {
		protected $id;
		protected $name;
		protected $height;
		public static $nofpeople=0;

		function __construct(){
			$this->id=rand(1000,1000000);
			print 'ID ' . $this->id . ' is assigned <br>';
			Person::$nofpeople++;
		}

		function __destruct(){
			print $this->name . ' is being destroyed<br>';
		}

		 final function gender(){
			 return 'n/a';

		function __get($property){
			print 'Accessed to protected property: ' . $property . '<br>';
			return $this->$property;
		}

		function __set($property, $value){
			switch($property){
				case 'name':
					$this->name = $value;
					break;
				case 'height':
					$this->height = $value;
					break;
				default:
					print $property . 'not found';
			}
			print 'Setting ' . $property . ' to ' . $value . '<br>';
		}
	}
	class employee extends person {
		function gender(){
			return 'female';
		}
	}

	$a = new employee();
	$a->name = 'Pero';
	$a->height = '1,80m';
	print $a->name . ' is ' . $a->height . ' tall.<br><br>';

	$b = new employee();
	$b->name = 'Mate';
	$b->height = '1,90m';

	if ($b instanceof Person) {
   echo $b->name . ' je osoba: bool(true)<br><br>';

   print 'Number of people created: ' . Person::$nofpeople . '<br><br>';
}
?>