<?php
$given_date = '04/09/2013 13:06:00';
list ($date, $time) = explode(' ', $given_date); //separate date and time
list ($day, $month, $year) = explode('/', $date);//separate day, month and year
//convert the uk date to the us date format and work out a timstamp to start with
$usdate= strtotime("$month/$day/$year");
//create an array of bank holidays
$holidayList = array("04-03-2008","07-03-2008");
$j = $i = 0;
//compute 5 working days
while($i < 5)
{
$tmp2 = strtotime("+$j day", $usdate); // get the timestamp of the date
$day = strftime("%A",$tmp2); //get day in plain English
$tmp = strftime("%d-%m-%Y",$tmp2); //get full date in uk format
//add 1 to $i only if it's not Sat or Sun or a bank holiday
if(($day != "Sunday") && ($day != "Saturday" )&&(!in_array($tmp, $holidayList)))
{
$i = $i++;
$j = $j++;
}
else
{
$j = $j + 1;
}
}
//$j = $j -1;
$newdate = strtotime("+$j day",$usdate);
echo strftime("%A, %d-%m-%Y",$newdate);