function transTime($time)//function to convert the time
{
$colSlot = strpos($time, ':');//find out where the colon is placed
$h = substr($time, 0, $colSlot);//read the hour part of the time
$m = substr($time, $colSlot + 1, 2);//read the minute part of the time
$meridum = substr($time, $colSlot + 4, 2);//read the AM/PM part of the time
if($meridum == 'PM')//if PM, add 12 hours to the $h
{
$h = 12 +$h;
}
$time = $h. ':'. $m;
return $time;//return the converted time
}
//this function is feeded with 12h format time in the following format hh:mm and after that AM/PM