PHP_DATE_TIMEZONE_GROUP_UTC 2077 ext/date/php_date.c 	REGISTER_TIMEZONE_CLASS_CONST_STRING("UTC",         PHP_DATE_TIMEZONE_GROUP_UTC);
PHP_DATE_TIMEZONE_GROUP_UTC 4476 ext/date/php_date.c 	if (what & PHP_DATE_TIMEZONE_GROUP_UTC        && strncasecmp(id, "UTC",          3) == 0) return 1;