--- /dev/null
+--TEST--
+Bug #52454 (Relative dates and getTimestamp increments by one day)
+--FILE--
+<?php
+date_default_timezone_set('Europe/London');
+
+$endOfWeek = new DateTime('2010-07-27 09:46:49');
+$endOfWeek->modify('this week +6 days');
+
+echo $endOfWeek->format('Y-m-d H:i:s')."\n";
+echo $endOfWeek->format('U')."\n";
+
+/* Thar she blows! */
+echo $endOfWeek->getTimestamp()."\n";
+
+echo $endOfWeek->format('Y-m-d H:i:s')."\n";
+?>
+--EXPECT--
+2010-08-01 09:46:49
+1280652409
+1280652409
+2010-08-01 09:46:49