?> /> <input type='hidden' id='mm-is_recurring_val' value='<?php echo $product->isRecurring() ? '1' : '0'; ?> ' /> </td> </tr> <tr> <td></td> <td> <div id='mm_rebill_row' style='display:none;'> <p style="margin:5px 0px 0px 0px;"> Rebill Period <input type='text' id='mm-rebill_period' value='<?php echo $product->getRebillPeriod(); ?> ' style='margin-left: 10px; width: 50px' <?php echo $hasBeenPurchased ? "disabled" : ""; ?> /> <select id='mm-rebill_frequency' style='width:100px;' <?php echo $hasBeenPurchased ? "disabled" : ""; ?> > <?php echo $rebillFrequencyList; ?> </select> </p> <p style="margin:5px 0px 5px 0px;">
public static function getNextPaymentDate($startDate, $productId)
{
$product = new MM_Product($productId);
$start = strtotime($startDate);
if ($product->isRecurring(false)) {
$period = $product->getRebillPeriod();
$freq = $product->getRebillFrequency();
$newdate = null;
switch ($freq) {
case "months":
$months = floor((mktime() - $start) / 2628000);
$newStart = strtotime($months . ' month', strtotime($start));
$newdate = strtotime($period . ' month', strtotime($newStart));
break;
case "days":
$days = self::countDays(Date("Y-m-d h:i:s"), $startDate);
$diff = $days > $period ? intval($days / $period) : 1;
$newStart = strtotime($diff . ' day', strtotime($start));
$newdate = strtotime($period . ' day', strtotime($newStart));
break;
case "weeks":
$days = self::countDays(Date("Y-m-d h:i:s"), $startDate);
$weeks = $days > 7 ? intval($days / 7) : 1;
$diff = $weeks > $period ? intval($weeks / $period) : 1;
$newStart = strtotime($diff . ' week', strtotime($start));
$newdate = strtotime($period . ' week', strtotime($newStart));
break;
case "years":
$days = self::countDays(Date("Y-m-d h:i:s"), $startDate);
$years = $days > 365 ? intval($days / 365) : 1;
$diff = $years > $period ? intval($years / $period) : 1;
$newStart = strtotime($diff . ' year', strtotime($start));
$newdate = strtotime($period . ' year', strtotime($newStart));
break;
}
if (!is_null($newdate)) {
return $newdate;
}
}
return false;
}
