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Custom user field with external (mysql table) verification

Discussion in 'General PHP and MySQL Discussions' started by Jumuro, Nov 26, 2015.

  1. Jumuro

    Jumuro Member

    To give the user an additional string field, where it enters a certain key (for example AAA-BBB-CCC).
    Check whether there is such key in the special table.
    If there is no key, then it failed.
    If the key is already used by someone, then it failed.
    If the key is not used, then > write the user in this optional field the value of a specific field from a row that contains the value you entered.

    Hereis the table itself:

    Here is the my code:

    class Myaddon_PaymentKey_Helper_UserField extends XenForo_Helper_UserField
        public static function 
    verifyKey(array $field, &$value, &$error)
    $db XenForo_Application::getDb();
    $get_search $db->fetchAll("SELECT * FROM `xf_key_payments` WHERE `key_lic` LIKE '%$value%'");
    $get_type $db->fetchOne("SELECT `type` FROM `xf_key_payments` WHERE `key_lic` LIKE '%$value%'");
    $get_id $db->fetchOne("SELECT `ID` FROM `xf_key_payments` WHERE `key_lic` LIKE '%$value%'");
    $get_status $db->fetchOne("SELECT `xf_user_id` FROM `xf_key_payments` WHERE `key_lic` LIKE '%$value%'");
    $visitor XenForo_Visitor::getInstance();
    $userID $visitor['user_id'];
            if (
    $get_search $get_status == NULL)
    $value $get_type;
            } else    {
    $error = new XenForo_Phrase('pg_invalid_key');

            return array(
    $db->query("UPDATE xf_key_payments SET xf_user_id = '$userID' WHERE ID = '$get_id'"));
    And it works.
    But I know that I did everything wrong. This is not optimal and besides not secure.

    I'm not good at working with mysql, and because we got such a nonsense here. :)

    Please help me in creating correct code.

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