private function generujCislo() {
        $this->value = 'cislo';
        for ($i = 1; $i <= 8; $i++) {
            $aaa[$i + 4] = mt_rand(0, 9);
        }
        array_unshift($aaa, '421');
        $this->generujCislo = implode($aaa);
    }

    /*
     * private function generujCislo()
     * --generuje desatinny znak
     */

    private function double() {
        $value = 'desatinne_znaky';
        $this->double = round(((mt_rand(1, 10)) / (mt_rand(1, 100))), mt_rand(1, 5));
    }

    /*
     * private function meno()
     * --generuje meno z pola
     */

    private function meno() {
        $value = 'meno';
        $mena = array("Miso", "Peter", "jozo", "fesi", "borec");
        $this->meno = $mena[mt_rand(0, 4)];
    }

    /*
     * private function retazec()
     * --generuje retazec z abecedy a cisiel
     */

    private function retazec() {
        $value = 'retazec';
        $vyber = 'qwertyuiopasdfghjklzxcvbnm1234567890';
        $pole = str_split($vyber);
        $retazec = NULL;

        for ($i = 0; $i < 10; $i++) {
            $retazec .= $pole[mt_rand(0, 35)];
        }
        $this->retazec = $retazec;
    }