mysql_fetch_array在zend框架中不起作用

This is the code I have so far:-

$db = $this->getInvokeArg('bootstrap')->getPluginResource('db')->getDbAdapter();
$sql = "select * from users";
$result = $db->fetchAll($sql);

echo "<table border='1'>
    <tr>
    <th>ID</th>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Email</th>
    <th>Username</th>
    <th>Password</th>
    </tr>
";

while($row = mysql_fetch_array($result)){
    echo "<tr>";
    echo "<td>" . $row['id'] . "</td>";
    echo "<td>" . $row['firstname'] . "</td>";
    echo "<td>" . $row['lastname'] . "</td>";
    echo "<td>" . $row['email'] . "</td>";
    echo "<td>" . $row['username'] . "</td>";
    echo "<td>" . $row['password'] . "</td>";
    echo "</tr>";
  }
echo "</table>";

I am Trying this but I recieved this error:-

Warning: mysql_fetch_array() expects parameter 1 to be resource, array given in /var/www/datashow/application/controllers/IndexController.php on line 35 

Zend_Db does not return mysql result objects. You don't use MySQL's functions, ever, when using the Zend_Db abstraction layer; you use Zend's functions instead. In this case, findAll already returned the data as an array.

@root:

You already fetched the result using $result = $db->fetchAll($sql); then why did u use while($row = mysql_fetch_array($result)) ?

I would recommend you to check, what data are in your $result variable at first, using print_r($result) . then you can use a foreach or some other efficient loop to echo the values.

foreach($result as  $resultItems){ // echo value in $resultItems}

foreach($result as $row){
    echo "<tr>";
    echo "<td>" . $row['id'] . "</td>";
    echo "<td>" . $row['firstname'] . "</td>";
    echo "<td>" . $row['lastname'] . "</td>";
    echo "<td>" . $row['email'] . "</td>";
    echo "<td>" . $row['username'] . "</td>";
    echo "<td>" . $row['password'] . "</td>";
    echo "</tr>";
  }