Initial Import
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+<tr>
+<td><h1>Code Igniter User Guide Version 1.4.0</h1></td>
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+<a href="http://www.codeigniter.com/">Code Igniter Home</a> ›
+<a href="../index.html">User Guide Home</a> ›
+Security Helper
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+<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 <input type="text" class="input" style="width:200px;" name="q" id="q" size="31" maxlength="255" value="" /> <input type="submit" class="submit" name="sa" value="Go" /></form></td>
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+<!-- START CONTENT -->
+<div id="content">
+
+
+<h1>Security Helper</h1>
+
+<p>The Security Helper file contains security related functions.</p>
+
+
+<h2>Loading this Helper</h2>
+
+<p>This helper is loaded using the following code:</p>
+<code>$this->load->helper('security');</code>
+
+<p>The following functions are available:</p>
+
+
+<h2>xss_clean()</h2>
+
+<p>Provides Cross Site Script Hack filtering. This function is an alias to the the one in the
+<a href="../libraries/input.html">Input class</a>. More info can be found there.</p>
+
+
+<h2>hash()</h2>
+
+<p>Permits you to create SHA1 or MD5 one way hashes suitable for encrypting passwords. Will create SHA1 by default. Examples:</p>
+
+<code>
+$str = hash($str); // SHA1<br />
+<br />
+$str = hash($str, 'md5'); // MD5
+</code>
+
+
+
+
+<h2>strip_image_tags()</h2>
+
+<p>This is a security function that will strip image tags from a string. It leaves the image URL as plain text.</p>
+
+<code>$string = strip_image_tags($string);</code>
+
+
+<h2>encode_php_tags()</h2>
+
+<p>This is a security function that converts PHP tags to entities. Note: If you use the XSS filtering function it does this automatically.</p>
+
+<code>$string = encode_php_tags($string);</code>
+
+
+
+
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