default_tz       4708 ext/date/php_date.c 	timelib_tzinfo *default_tz;
default_tz       4710 ext/date/php_date.c 	default_tz = get_timezone_info(TSRMLS_C);
default_tz       4711 ext/date/php_date.c 	RETVAL_STRING(default_tz->name, 1);