Extra flight fields, improved data import function

booking.helper.inc

@@ -242,6 +242,37 @@ function _datetime_to_ts($date) {
     //return mktime($date_split[5], $date_split[6], 0, $date_split[2], $date_split[3], $date_split[1]);
 }
 
+/**
+ * Function to turn a loosely formatted date into a timestamp
+ *
+ * @param $date in format DD/MM/YYYY HH:mm
+ * @return unix timestamp formatted for current time zone
+ */
+function _datetime_to_ts_nonstrict($date) {
+    $pattern = '/^(\d{1,2})\/(\d{1,2})\/(\d{4})(\s+(\d{1,2})\:(\d{1,2}))?/';
+    
+	//check for a match
+	if (preg_match($pattern, $date, $matches))
+	{
+    	$date_split = $matches;
+	}
+	//return zero now if no matches
+	else
+	{
+		return 0;
+	}
+
+	date_default_timezone_set(TIMEZONE); 
+	$tz = new DateTimeZone(TIMEZONE); 
+
+	$gmt_ts = mktime($date_split[5], $date_split[6], 0, $date_split[2], $date_split[1], $date_split[3]);
+	$ts = new DateTime("@$gmt_ts");
+	$ts->setTimezone($tz);	
+
+	return $ts->format("U");		
+
+}
+
 /**
  * Function to split date into array
  *