timelib_set_timezone  100 ext/date/lib/timelib.h void timelib_set_timezone(timelib_time *t, timelib_tzinfo *tz);
timelib_set_timezone  403 ext/date/lib/tm2unixtime.c 				timelib_set_timezone(tz, tzi);
timelib_set_timezone 3330 ext/date/php_date.c 			timelib_set_timezone(dateobj->time, tzobj->tzi.tz);