Question

My problem is that I’m getting a 4200 error code from my pdo insert. On my computer when I was working with XAMPP it worked fine (no error) but as soon as I ported it onto the server I got this error. Could someone enlighten me or point me in the direction to get the answer. Thanks.

 $add_nonce = $db->con->prepare("INSERT INTO nonces(nonce, issue_date, `used`) VALUES(:nonce, :issue_date, '0')");
        $add_nonce->bindParam(':nonce', $nonce, PDO::PARAM_STR);
        $issue_date = time();
        $add_nonce->bindParam(':issue_date', $issue_date, PDO::PARAM_INT);
    $add_nonce->execute();
    Log_String("test", $add_nonce->errorCode());
    $nonce_id = $db->con->lastInsertId();
    return $nonce;

Answer 1

Instead of logging just error code, you have to tell PDO to throw exception, which contains also full error message.

$db->con->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );

Instead of home-brewed Log_String() function you have to tell PHP to log all errors by default, using log_errors and error_log ini directives.

Or, if on development server, just turn display_errors on.

And you will immediately know what’s going wrong.