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Apache The Definitive Guide, 3rd EditionApache: The Definitive GuideSearch this book
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14.5. Echo

Finally, we can echo a limited number of environment variables: DATE_GMT, DATE_LOCAL, DOCUMENT_NAME, DOCUMENT_URI, and LAST_MODIFIED. The file echo.shtml is as follows: 

Echoing the Document_URI <!--#echo var="DOCUMENT_URI"-->
Echoing the DATE_GMT <!--#echo var="DATE_GMT"-->

and produces the response:

Echoing the Document_URI /echo.shtml
Echoing the DATE_GMT Saturday, 17-Aug-96 07:50:31
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14.4. Execute CGIBook Index14.6. Apache v2: SSI Filters
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