PHP_DATE_TIMEZONE_GROUP_ARCTIC 2078 ext/date/php_date.c REGISTER_TIMEZONE_CLASS_CONST_STRING("ARCTIC", PHP_DATE_TIMEZONE_GROUP_ARCTIC); PHP_DATE_TIMEZONE_GROUP_ARCTIC 4566 ext/date/php_date.c if (what & PHP_DATE_TIMEZONE_GROUP_ARCTIC && strncasecmp(id, "Arctic/", 7) == 0) return 1;