<?php

function kukarek($group) {
    switch ($group) {
        case 'Root':
        	echo "is Root";
            break;
            
        case 'Admin':
        	echo "is Admin";
            break;
            
        case 'Accountant':
        	echo "is Accountant";
            break;
            
        case 'Manager':
        	echo "is Manager";
            break;
            
        default:
        	echo 'is Bum';
        }

    return $group;
}

class UzhNaSkovorodke {
    public $count = 0;
    public function __construct() {
    }
    public function __toString() {
    	++$this->count;
    	$this->count &= 3;

        switch ($this->count) {
        	case 0: return 'Root';
        	case 1: return 'Admin';
        	case 2: return 'Accountant';
        	case 3: return 'Manager';
        };
    }
}

$group = new UzhNaSkovorodke();

kukarek($group);