--TEST-- Bug #40861 (Multiple +/- on relative units breaks strtotime()) --FILE-- <?php date_default_timezone_set("GMT"); $offset = +60; $ts = strtotime('2000-01-01 12:00:00'); $result = date("Y-m-d H:i:s", strtotime("+$offset minutes", $ts)); echo $result . "\n"; $offset = -60; $ts = strtotime('2000-01-01 12:00:00'); $result = date("Y-m-d H:i:s", strtotime("+$offset minutes", $ts)); echo $result . "\n"; $offset = -60; $ts = strtotime('2000-01-01 12:00:00'); $result = date("Y-m-d H:i:s", strtotime("-$offset minutes", $ts)); echo $result . "\n"; $offset = 60; $ts = strtotime('2000-01-01 12:00:00'); $result = date("Y-m-d H:i:s", strtotime("+$offset minutes", $ts)); echo $result . "\n"; ?> --EXPECT-- 2000-01-01 13:00:00 2000-01-01 11:00:00 2000-01-01 13:00:00 2000-01-01 13:00:00