警告：mysql_fetch_array（）：提供的参数不是第22行/home/a3332804/public_html/lib/configuration.php中的有效MySQL结果资源

Question

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/a3332804/public_html/lib/configuration.php on line 22 .

I got error while uploading php in my database

<?


  session_start ();

  if (!$stop_eval)
  {

    global $c;
    if(is_dir('install/'))
    {
    header("Location: install/");
    }



    if(defined('DB_DETAILS') && $c && !$error_log) {

    if(!$_SESSION['setting'])
    {
    $setq = mysql_query("SELECT * FROM settings");
    while ($r=mysql_fetch_array ($setq))    - this is the line 22 in my database 
    {
    $set[$r[set_name]] = $r['set_value'];
    $_SESSION['setting'][$r[set_name]] = $r['set_value'];

Answer 1

This error means your query failed.

Your query could be failing due to a missing/wrong table or field. To see the detailed error, print out the result of mysql_error().

The mysql_* library is deprecated. It is recommended to upgrade to MySQLi or PDO.

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL Result in line 40