Gazelle/sections/donate/config.php

<?php

define('PAYPAL_ADDRESS', '');
define('PAYPAL_CURRENCY', 'EUR');
define('PAYPAL_SYMBOL', '&#8364;');
define('PAYPAL_MINIMUM', 5);

function btc_received()
{
}

function btc_balance()
{
}

// This will be rarely called, so let's go directly to the database
function btc_address($UserID, $GenAddress = false)
{
    global $DB;
    $UserID = (int)$UserID;
    $DB->query("
      SELECT BitcoinAddress
      FROM users_info
      WHERE UserID = '$UserID'");
    list($Addr) = $DB->next_record();

    if (!empty($Addr)) {
        return $Addr;
    } elseif ($GenAddress) {
        if (empty($NewAddr)) {
            error(0);
        }
    
        $DB->query("
          UPDATE users_info
          SET BitcoinAddress = '".db_string($NewAddr)."'
          WHERE UserID = '$UserID'
            AND BitcoinAddress IS NULL");
        return $NewAddr;
    } else {
        return false;
    }
}