Server Side Scripting Perl, Python, Java Servlets  write complete programs in (Perl, Python, Java) to process HTTP requests and generate a complete HTTP response, including (X)HTML output SSI, PHP, Java Server Pages  embed a script (PHP, Java) in an (X)HTML page which generates the dynamic content

Server Side Includes (SSI)‏ behaves like the C/C++ pre-processor except for html  textual inclusion  conditional code limited dynamic content generation simple templating system

SSI Configuration requires: mod_mime.c and mod_include.c Enable SSI for the directory  Options +Includes generate correct mime type for SSI files:  AddType text/html.shtml run.shtml files through the SSI engine  AddHandler server-parsed.shtml

SSI Usage name the file with the.shtml enclose the SSI directive inside a XHTML comment:

include this is the main body of the doucment foo.shtml

Limitations of the file attribute interpreted as relative to the current document cannot include../ in the path to refer to files above the current document use the virtual attribute instead: virtual attribute is a relative URI and goes through the same permissions processing as any other request from the client virtual attribute can identify a CGI script

echo The current time is: This page was last modified on: foo.shtml

echo variables DATE_GMT, DATE_LOCAL – current time in Greenwich Mean Time and local formats DOCUMENT_NAME – filename requested by client DOCUMENT_URI – URI path requested by the client LAST_MODIFIED – last modification time of file requested by client any other CGI environment variable

Conditional Code BrowserMatchNoCase macintosh Mac BrowserMatchNoCase MSIE InternetExplorer Bummer! WooHoo! httpd.conf fancy.shtml