Andrew Seaford

/** Converts a date and time to UTC
* /param date The date in the format dd/mm/yyyy
* /param time The time in the format HH/mm/ss
* /return utc
*/   

function utc($inputDate, $inputTime)
{
$pieces = explode("/", $inputDate);
$dateus = $pieces[2]."-".$pieces[1]."-".$pieces[0];
$stringtime = "$dateus $inputTime";
return strtotime($stringtime);

}