+ function lastModified()
+ {
+ $y = $this->trimmed('year');
+
+ $m = $this->trimmed('month');
+ $d = $this->trimmed('day');
+
+ $y += 0;
+ $m += 0;
+ $d += 0;
+
+ $begdate = strtotime("$y-$m-$d 00:00:00");
+ $enddate = $begdate + (24 * 60 * 60);
+
+ if ($enddate < time()) {
+ return $enddate;
+ } else {
+ return null;
+ }
+ }
+