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authoradmin <devnull@localhost>2006-08-25 19:25:49 +0200
committeradmin <devnull@localhost>2006-08-25 19:25:49 +0200
commitb0dd10f8171945e0c1f3527dd1e9d18b043e01a7 (patch)
treec3583ba09e72217683c4304f4690df6ce39ba731 /user_guide/general/libraries.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html>
+<head>
+
+<title>Code Igniter User Guide</title>
+
+<style type='text/css' media='all'>@import url('../userguide.css');</style>
+<link rel='stylesheet' type='text/css' media='all' href='../userguide.css' />
+
+<script type="text/javascript" src="../scripts/nav.js"></script>
+<script type="text/javascript" src="../scripts/prototype.lite.js"></script>
+<script type="text/javascript" src="../scripts/moo.fx.js"></script>
+<script type="text/javascript">
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+ myHeight.hide();
+}
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+<meta name='author' content='Rick Ellis' />
+<meta name='description' content='Code Igniter User Guide' />
+
+</head>
+<body>
+
+<!-- START NAVIGATION -->
+<div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div>
+<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div>
+<div id="masthead">
+<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
+<tr>
+<td><h1>Code Igniter User Guide Version 1.4.0</h1></td>
+<td id="breadcrumb_right"><a href="../toc.html">Full Table of Contents</a></td>
+</tr>
+</table>
+</div>
+<!-- END NAVIGATION -->
+
+
+<!-- START BREADCRUMB -->
+<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
+<tr>
+<td id="breadcrumb">
+<a href="http://www.codeigniter.com/">Code Igniter Home</a> &nbsp;&#8250;&nbsp;
+<a href="../index.html">User Guide Home</a> &nbsp;&#8250;&nbsp;
+Loading Libraries
+</td>
+<td id="searchbox"><form method="get" action="http://www.google.com/search"><input type="hidden" name="as_sitesearch" id="as_sitesearch" value="www.codeigniter.com/user_guide/" />Search User Guide&nbsp; <input type="text" class="input" style="width:200px;" name="q" id="q" size="31" maxlength="255" value="" />&nbsp;<input type="submit" class="submit" name="sa" value="Go" /></form></td>
+</tr>
+</table>
+<!-- END BREADCRUMB -->
+
+<br clear="all" />
+
+
+<!-- START CONTENT -->
+<div id="content">
+
+<h1>Loading Libraries</h1>
+
+<p>The core libraries are the class files located in the "libraries" folder.
+In most cases, to use one of these classes involves initializing it within your controllers using the following function:</p>
+
+<code>$this->load->library('<var>class name</var>'); </code>
+
+<p>Where <var>class name</var> is the name of the class you want to invoke. For example, to load the validation class you would do this:</p>
+
+<code>$this->load->library('<var>validation</var>'); </code>
+
+<p>Once initialized you can use it as indicated in the user guide page corresponding to each class.</p>
+
+<h2>Semantic Relevance</h2>
+
+<p>The pattern you will use when calling functions is this:</p>
+
+<p><kbd>$this</kbd>-><dfn>class</dfn>-><samp>function()</samp></p>
+
+<p>We've placed a high value on semantic relevance in the naming of our classes and functions.
+Here are some examples of function calls you might use in Code Igniter:</p>
+
+<p><kbd>$this</kbd>-><dfn>email</dfn>-><samp>send()</samp></p>
+<p><kbd>$this</kbd>-><dfn>input</dfn>-><samp>user_agent()</samp></p>
+<p><kbd>$this</kbd>-><dfn>benchmark</dfn>-><samp>elapsed_time()</samp></p>
+<p><kbd>$this</kbd>-><dfn>db</dfn>-><samp>query()</samp></p>
+<p><kbd>$this</kbd>-><dfn>load</dfn>-><samp>helper()</samp></p>
+<p><kbd>$this</kbd>-><dfn>uri</dfn>-><samp>segment()</samp></p>
+<p><kbd>$this</kbd>-><dfn>lang</dfn>-><samp>line()</samp></p>
+
+
+
+</div>
+<!-- END CONTENT -->
+
+
+<div id="footer">
+<p>
+Previous Topic:&nbsp;&nbsp;<a href="scripts.html">Scripts</a>
+&nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;
+<a href="#top">Top of Page</a>&nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;
+<a href="../index.html">User Guide Home</a>&nbsp;&nbsp;&nbsp;&middot;&nbsp;&nbsp;
+Next Topic:&nbsp;&nbsp;<a href="creating_libraries.html">Creating Libraries</a>
+<p>
+<p><a href="http://www.codeigniter.com">Code Igniter</a> &nbsp;&middot;&nbsp; Copyright &#169; 2006 &nbsp;&middot;&nbsp; <a href="http://www.pmachine.com">pMachine, Inc.</a></p>
+</div>
+
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+</html> \ No newline at end of file