Code:

<?php
error_reporting(E_ALL);
class mysql
{
    var $oKonekcija='';
    var $oResult='';
    var $aNiz='';
    
    function db_connect($host, $username, $password)
    {
        $this->oKonekcija=mysql_connect($host='', $username='', $password='', $db='');        
        mysql_select_db($db, $this->oKonekcija);
        return True;
    }
    
    function db_query($query)
    {
        $this->oResult=mysql_query($query, $this->oKonekcija);        
        return True;
    }
    
    function result2array()
    {    
        if(mysql_num_rows($this->oResult)!=='0')
        {
            $i=0;
            while($aSlog=mysql_fetch_array($this->oResult))
            {
                $this->aNiz[$i]['Naziv']=$aSlog['MailingEmailAdress'];
                $i++;
            }
            return $this->aNiz;
        }
        else
        {
            return False;
        }
    }
    
}

$veza=new mysql;
$veza->db_connect("localhost", "root", "", "test");
$veza->db_query("select * from mailinglista");
$niz=$veza->result2array();
for ($i=0; $i<5; $i++)
{
    echo $niz[$i]['Naziv'];
}
?>