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-<title>Path Helper : CodeIgniter User Guide</title>
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-<td><h1>CodeIgniter User Guide Version 2.2.0</h1></td>
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-<a href="http://codeigniter.com/">CodeIgniter Home</a> &nbsp;&#8250;&nbsp;
-<a href="../index.html">User Guide Home</a> &nbsp;&#8250;&nbsp;
-Path Helper
-</td>
-<td id="searchbox"><form method="get" action="http://www.google.com/search"><input type="hidden" name="as_sitesearch" id="as_sitesearch" value="ellislab.com/codeigniter/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>
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-<h1>Path Helper</h1>
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-<p>The Path Helper file contains functions that permits you to work with file paths on the server.</p>
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-<h2>Loading this Helper</h2>
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-<p>This helper is loaded using the following code:</p>
-<code>$this->load->helper('path');</code>
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-<p>The following functions are available:</p>
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-<h2>set_realpath()</h2>
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-<p>Checks to see if the path exists. This function will return a server path without symbolic links or relative directory structures. An optional second argument will cause an error to be triggered if the path cannot be resolved.</p>
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-<code>$directory = '/etc/passwd';<br />
-echo set_realpath($directory);<br />
-// returns &quot;/etc/passwd&quot;<br />
-<br />
-$non_existent_directory = '/path/to/nowhere';<br />
-echo set_realpath($non_existent_directory, TRUE);<br />
-// returns an <strong>error</strong>, as the path could not be resolved
-<br /><br />
-echo set_realpath($non_existent_directory, FALSE);<br />
-// returns &quot;/path/to/nowhere&quot;
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-<div id="footer">
-<p>
-Previous Topic:&nbsp;&nbsp;<a href="number_helper.html">Number Helper</a>
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