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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Introduction</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.session-pgsql.html">Session PgSQL</a></div> <div class="next" style="text-align: right; float: right;"><a href="session-pgsql.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.session-pgsql.html">Session PgSQL</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="intro.session-pgsql" class="preface">  <h1 class="title">Introduction</h1>  <blockquote><p><b class="note">Note</b>: <span class="simpara">This extension is notavailable on Windows platforms.</span></p></blockquote>  <p class="para">   This module provides an additional session save handler for the   <a href="book.session.html" class="link">session</a>   module using <a href="http://www.postgresql.org/" class="link external">&raquo; PostgreSQL</a> as a   storage system. A <i>user-level</i> session storage function may   also be used - <a href="function.session-set-save-handler.html" class="function">session_set_save_handler()</a>, but this module is   written in C and therefore could be twice as fast, compared to   a session save handler written in PHP.  </p>  <p class="para">   Session PgSQL is designed to scale any size of web sites and offers some   advanced features:   <ul class="simplelist">    <li class="member">session tables are created automatically</li>    <li class="member">automatic session table vacuum</li>    <li class="member">better garbage collection</li>    <li class="member">multiple PostgreSQL servers support</li>    <li class="member">automatic database server failover (switching)</li>    <li class="member">     automatic database server load balancing if there are multiple     PostgreSQL servers.    </li>    <li class="member">short circuit UPDATE</li>   </ul>   </p> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.session-pgsql.html">Session PgSQL</a></div> <div class="next" style="text-align: right; float: right;"><a href="session-pgsql.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.session-pgsql.html">Session PgSQL</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>

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