/**
* Get limit from database for specified date.
*
* @param null|string $date date from which limit will be obtained, leave null for current day.
*
* @return double daily limit.
*/
function operations_ledcoin_daily_limit($date = NULL)
{
if ($date === NULL) {
$date = date('Y-m-d');
} else {
if (!preg_match('/^[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}$/', $date)) {
return 0.0;
}
list($year, $month, $day) = explode('-', $date);
if (!checkdate($month, $day, $year)) {
return 0.0;
}
}
$limit = new Limit();
$limit->get_where(array('date' => $date));
if ($limit->exists()) {
return (double) $limit->daily_limit;
}
return 0.0;
}
