Return CGI Library

These are provided by the server software we use. As such they are of limited portability (NCSA and APACHE servers at least). However they run fast and are easy to use. :-)

Simply include the following text in your page where you want the variable to appear:

<!--#echo var="Variable-name" -->

Here is the list of currently supported variables:

• DOCUMENT_NAME
  The name of the current file.
  For example, this document is variables.html.
  
  
• DOCUMENT_URI
  The virtual path to the file. (Trailing part of the URL)
  For example, this URL ends with /gadgets/variables.html.
  
  
• DATE_LOCAL
  The current time, expressed in the local timezone.
  For example, it is currently Monday, 23-Dec-2024 10:58:55 PST.
  
  
• DATE_GMT
  The current time expressed in Greenwich Mean Time.
  For example, at Greenwich it is currently Monday, 23-Dec-2024 18:58:55 GMT.
  
  
• LAST_MODIFIED
  The last modification date of the current document.
  For example, this document was last modified Thursday, 28-May-2015 16:14:52 PDT.
  
  
• REMOTE_ADDR
  The IP address of the visitor requesting the page.
  example: Your IP address seems to be: 52.14.255.122
  
  
• HTTP_REFERER
  The page that contained the link the visitor clicked on to get to the current page. e.g. the "refering" page.
  Your came from this page: (none)
  
  
• other variables
  There are other variables available, to see what is available try putting the following HTML in your page: <PRE><!--#printenv --></PRE>