2.7.1.1.13. .htaccess variables
For use in various request processing and generation rules regular expressions some variables are available in .htaccess with some information about the request and its sender. All variables are specified in curly braces with a percent sign at the beginning, for example %{HTTP_HOST}. Some additional access information in Apache documentation.
| Variable | Description | Example |
|---|---|---|
| HTTP request headers | ||
HTTP_USER_AGENT | The sender's User-Agent passed in the request. | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36 |
HTTP_REFERER | heading Referer, which can be passed when navigating from one web page to another. | https://domain.com/ |
HTTP_COOKIE | Data cookieThe passed in the request. | dom=sometesttextstoredincoockie |
HTTP_HOST | Domain from header HOST. | www.domain.com |
HTTP_ACCEPT | A string with a list of allowed types of transmitted data (content-type) separated by a semicolon ;. | text/html,application/xhtml+xml,application/xml;q=0.8,application/signed-exchange;v=b3;q=0.9 |
| Request parameters | ||
REMOTE_ADDR | Request sender's IP address. | 123.213.231.211 |
REQUEST_METHOD | Request type as a string, for example GET, POST, PUT and others. | GET |
REQUEST_TIME | Request time in Unix format. | 1675723794 |
| Web server data | ||
SCRIPT_FILENAME | The absolute path to the script file. | /home/example/domain.com/www/script.php |
QUERY_STRING | GET parameter data as a string. If there are no GET parameters or if there is only a symbol ? an empty string will be returned. | var1=text&var2=text |
SERVER_ADMIN | The mailbox of the administrator (owner) of the hosting service. | mail@domain.com |
SERVER_NAME | The name of the virtual host (site) that processes the request. | www.domain.com |
TIME_YEAR | The year in which the request was processed. | 2023 |
TIME_MON | Month of the request processing date from 1 to 12. | 03 |
TIME_DAY | Day of request processing date from 1 to 28-31. | 02 |
TIME_HOUR | The hour of the request processing date. | 05 |
TIME_MIN | The minute of the date the request was processed. | 23 |
TIME_SEC | The second of the request processing date. | 32 |
TIME_WDAY | The day of the week of the request processing date, from 0 to 6. | 1 |
TIME | Request processing date in the form YearMonthDayHourMinuteSecond without separators YYYYMMDDhhmmss. | 20230302052332 |
REQUEST_URI | Request URL with GET parameters but no domain. | /script.php?var1=text&var2=text |
REQUEST_FILENAME | The absolute path to the script file. | /home/example/domain.com/www/script.php |