do {
$exchange_data[$row['ex_cash_id1']][$row['ex_cash_id2']] = 1;
} while ($row = $db->sql_fetchrow($result));
$exchanger = new cash_user($userdata['user_id'], $userdata);
if (isset($HTTP_POST_VARS['exchange']) && isset($HTTP_POST_VARS['from_id']) && is_numeric($HTTP_POST_VARS['from_id']) && isset($HTTP_POST_VARS['to_id']) && is_numeric($HTTP_POST_VARS['to_id']) && isset($HTTP_POST_VARS['convert_amount']) && is_numeric($HTTP_POST_VARS['convert_amount'])) {
$from_id = intval($HTTP_POST_VARS['from_id']);
$to_id = intval($HTTP_POST_VARS['to_id']);
$convert_amount = cash_floatval($HTTP_POST_VARS['convert_amount']);
if ($convert_amount < 0) {
qs($from_id, $to_id);
$convert_amount = -$convert_amount;
}
if ($to_id != $from_id && $cash->currency_exists($to_id) && $cash->currency_exists($from_id) && isset($exchange_data[$from_id]) && is_array($exchange_data[$from_id]) && isset($exchange_data[$from_id][$to_id]) && $cash->currencies[$from_id]->mask(CURRENCY_ENABLED | CURRENCY_EXCHANGEABLE) && $cash->currencies[$to_id]->mask(CURRENCY_ENABLED | CURRENCY_EXCHANGEABLE)) {
$c_cur_from = $cash->currency($from_id);
$c_cur_to = $cash->currency($to_id);
if ($exchanger->has($c_cur_from->id(), $convert_amount)) {
$converted_amount = $convert_amount / $c_cur_from->data('cash_exchange') * $c_cur_to->data('cash_exchange');
$exchanger->remove_by_id_array(array($c_cur_from->id() => $convert_amount));
$exchanger->give_by_id_array(array($c_cur_to->id() => $converted_amount));
}
}
}
$template->assign_vars(array('S_EXCHANGE_ACTION' => append_sid("cash.{$phpEx}?mode=exchange"), 'S_HIDDEN_FIELDS' => '<input type="hidden" name="exchange" value="1" />', 'L_EXCHANGE' => $lang['Exchange'], 'L_FROM' => $lang['From'], 'L_TO' => $lang['To'], 'L_CONVERT' => $lang['Convert'], 'L_SELECT_ONE' => $lang['Select_one'], 'L_SUBMIT' => $lang['Submit'], 'L_RESET' => $lang['Reset']));
$max_columns_per_row = 3;
$columnwidth = intval(floor(100 / $max_columns_per_row));
$bresenham = 0;
$numrows = intval(ceil(count($indices) / $max_columns_per_row));
$i = 0;
while ($c_cur =& $cash->currency_next($cm_i, CURRENCY_ENABLED | CURRENCY_EXCHANGEABLE)) {
$template->assign_block_vars("cashrow", array('CASH_ID' => $c_cur->id(), 'CASH_NAME' => $c_cur->name(true)));
if ($i * $numrows / $cash->currency_count(CURRENCY_ENABLED | CURRENCY_EXCHANGEABLE) >= $bresenham) {
