CGI Variables

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CGI Variables

CGI Environment variables are the main source of information which your server side scripts can use.

AUTH_TYPE - Describes the authentication method used by the web browser if any authentication method was used. This is not set unless the script is protected.
CONTENT_LENGTH - This is used for scripts that are receiving form data using the POST method. This variable tells the byte length of the CGI input data stream. This is required to read the data from the standard input with the POST method.
CONTENT_TYPE - Tells the media type of data being received from the user. this is used for scripts called using the POST method.
DOCUMENT_ROOT - The root path to the home HTML page for the server. Example:

/home/httpd/html

GATEWAY_INTERFACE - The version of the common gateway interface (CGI) specification being used to exchange the data between the client and server. this is normally CGI/1.1 for the current revision level of 1.1. Example:

CGI/1.1

PATH_INFO - Extra path information added to the end of the URL that accessed the server side script program.
PATH_TRANSLATED - A translated version of the PATH_INFO variable translated by the webserver from virtual to physical path information.
QUERY_STRING - This string contains any information at the end of the server side script path that followed a question mark. Used to return data if the GET method was used by a form. There are length restrictions to the QUERY_STRING. Example of how to set it in HTML:

موضوع: رد: CGI Variables الجمعة ديسمبر 05, 2008 2:30 pm

موضوع: رد: CGI Variables السبت سبتمبر 19, 2009 7:16 pm

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