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It embeds a <a href="/wiki/Perl_Programming/Unicode_UTF-8" title="Perl Programming/Unicode UTF-8">Perl</a> interpreter into the Apache server, so that dynamic content produced by Perl scripts can be served in response to incoming requests, without the significant overhead of re-launching the Perl interpreter for each request. As Lincoln D. Stein defined mod_perl in his words: </p> <blockquote class="toccolours" style="float:none; padding: 10px 15px 10px 15px; display:table;"><p> mod_perl is more than CGI scripting on steroids. It is a whole new way to create dynamic content by utilizing the full power of the Apache web server to create stateful sessions, customized user authentication systems, smart proxies and much more. Yet, magically, your old CGI scripts will continue to work and work very fast indeed. With mod_perl you give up nothing and gain so much! </p></blockquote> <p>mod_perl can emulate a <a href="/wiki/Common_Gateway_Interface" class="mw-redirect" title="Common Gateway Interface">Common Gateway Interface</a> (CGI) environment, so that existing Perl CGI scripts can benefit from the performance boost without having to be re-written. </p><p>Unlike CGI (and most other web application environments), mod_perl provides complete access to the Apache API, allowing programmers to write handlers for all phases in the Apache request cycle, manipulate Apache's internal tables and state mechanisms, share data between Apache processes or threads, alter or extend the Apache configuration file parser, and add Perl code to the configuration file itself, among other things. </p> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Apache/mod_perl&veaction=edit&section=1" title="Edit section: External links" class="mw-editsection-visualeditor"><span>edit</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Apache/mod_perl&action=edit&section=1" title="Edit section's source code: External links"><span>edit source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://perl.apache.org/">Main website</a></li> <li><a rel="nofollow" class="external text" href="http://www.perl.com/pub/a/2002/02/26/whatismodperl.html">Why mod_perl?</a></li> <li><a rel="nofollow" class="external text" href="http://www.revsys.com/writings/modperl.html">The magic of mod_perl</a></li> <li><a rel="nofollow" class="external text" href="http://www.modperl.com/">Writing Apache Modules with Perl and C</a></li> <li><a rel="nofollow" class="external text" href="http://www.modperlcookbook.org/">The mod_perl Developer's Cookbook</a></li> <li><a rel="nofollow" class="external text" href="http://modperlbook.org/">Practical mod_perl</a></li> <li><a rel="nofollow" class="external text" href="http://modperl2book.org/">mod_perl2 User's Guide </a></li></ul></div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikibooks.org/w/index.php?title=Apache/mod_perl&oldid=4014833">https://en.wikibooks.org/w/index.php?title=Apache/mod_perl&oldid=4014833</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Category</a>: <ul><li><a href="/wiki/Category:Book:Apache" title="Category:Book:Apache">Book:Apache</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 12 December 2021, at 17:41.</li> <li id="footer-info-copyright">Text is available under the <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike License</a>; additional terms may apply. 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