лишний элемент массива mysql_fetch_array

        $users_data = mysql_query(" SELECT * FROM `{$this->table_user}` ");
        while($users[] = mysql_fetch_array($users_data, MYSQL_ASSOC));

        echo '<pre>';
            print_r($users);
        echo '</pre>';

   [109] => Array
        (
            [id] => 215
            [name] => Тестер 14
            [username] => tester_14
            [email] => tester_14@mail.ru
            [password] => e01947a0e9b89a49ff3df6c41336e4ee:5YiU02kmcHtDUMUK6PEwbJgL1FUYnhRY
            [usertype] => 
            [block] => 0
            [sendEmail] => 0
            [registerDate] => 2012-08-01 14:24:28
            [lastvisitDate] => 0000-00-00 00:00:00
            [activation] => 
            [params] => {}
            [lastResetTime] => 0000-00-00 00:00:00
            [resetCount] => 0
            [matrix] => 
            [matrix_status] => 0
        )
 
    [110] =>

        $users_data = mysql_query(" SELECT gfgdf FROM `{$this->table_user}` "); // gfgdf - несуществующее поле 
        while($users[] = mysql_fetch_array($users_data, MYSQL_ASSOC));

 $users_data = mysql_query(" SELECT * FROM `{$this->table_user}` ");
 echo 'in table are : ' , mysql_num_rows($users_data) , ' fiels</br>';
        while($users[] = mysql_fetch_array($users_data, MYSQL_ASSOC));
echo 'in array are: ' , count($users) , ' fields';

while ($user = fetch())
    $users[] = $user;

in table are : 110 fiels
in array are: 111 fields

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