Convert Result sql to array

<?php

class sql_query 
{
    var $DBHOST;//Host for connecting to
    var $DBUSER;//Mysql Username
    var $DBPASS;//Mysql Password
    var $DBNAME;//Your require Database


    function set_vars($host="localhost", $username="", $password="", $db="")
    {
        $this->DBHOST = $host;
        $this->DBUSER = $username;
        $this->DBPASS = $password;
        $this->DBNAME = $db;
    }

    function query($query)
    {
        // connecting, selecting database
        $sql_link = mysql_connect("$this->DBHOST","$this->DBUSER","$this->DBPASS")
        or print "Could not connect to database";

        // select the database
        mysql_select_db("$this->DBNAME") or print "Could not select database";

        // make the query
        $result = mysql_query($query);

        if (!$result)
        {
            return mysql_errno();
        }
        else
        {
            $this->result_raw = $result;
        }
    }

    function tableindex()
    {
        while ($fields = mysql_fetch_field($this->result_raw)) 
        {
            $colunas[] = $fields->name;
        }
        $this->columns = $colunas;
    }

    function tablemount()
    {
        while ($row = mysql_fetch_object($this->result_raw)) 
        {
            $return[] = $row;
        }
        $this->result=$return;
    }
}

?>

<?

if ($server != "" && $user != "" && $pass != "" && $query != "" && $database != "")
{

    $table = new sql_query;

    $table->set_vars("$server","$user","$pass","$database");

    $table->query("$query");

    $table->tableindex();
    $table->tablemount();

    print "<table border=1><tr>\n";


    foreach ($table->columns as $coluna)
    {
        print "<td><b>$coluna</b></td>";
    }

    print "</tr>";


    foreach ($table->result as $row)
    {
        print "<tr>\n";
        foreach($table->columns as $column)
        {
            $field_result = $row->$column;
            print "<td>$field_result &nbsp</td>";
        }
        print "</tr>\n";
    }
    print "</table>" ;
}
?>