Sandaysoft

/**
* showLastRain()
* Returns the date & time of last rain.
*/
function showLastRain($lastrain, $rrate) {
   $raindate=substr($lastrain,8,2)."/".substr($lastrain,5,2)."/".substr($lastrain,0,4);
   $raintime=substr($lastrain,11,5);
   $lastraindays=dateDiff($lastrain, date("y-m-d h:m"));

   switch ($lastraindays)
   {
   case 0:
      if ($rrate>15) $lastmsg='The ark plans are drawn up, now to start building...';
      elseif ($rrate>10) $lastmsg='It is time to think about building an ark!';
      elseif ($rrate>7.6) $lastmsg='It is raining cats and dogs here!';
      elseif ($rrate>2.5) $lastmsg='It is raining moderately';
      elseif ($rrate>0) $lastmsg='It is raining lightly';
      else $lastmsg='Last Recorded Rain - '.$raintime.' today';
      break;
   case 1:
      $lastmsg='Last Recorded Rain - '.$raintime.' yesterday';
      break;
   default:
      if ($raindate>"00/00/0000")
         $lastmsg='No rain detected for '.$lastraindays.' days ('.$raindate.' '.$raintime.')';
      else $lastmsg='No rain detected since new install';
   }
   return ($lastmsg);
}   // end of showLastRain()

/**
* dateDiff()
* Find the difference in days between two calendar dates.
* Source:  http://php.net/manual/en/function.date.php
*
* @param Date $startDate
* @param Date $endDate
* @return Int
*/
function dateDiff($startDate, $endDate) {
// Parse dates for conversion
    $startArry=date_parse($startDate);
    $endArry=date_parse($endDate);

    // Convert dates to Julian Days
    $start_date=gregoriantojd($startArry["month"], $startArry["day"], $startArry["year"]);
    $end_date=gregoriantojd($endArry["month"], $endArry["day"], $endArry["year"]);

    // Return difference
    return round(($end_date - $start_date), 0);
}   // end of dateDiff()