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30 <td><h1>CodeIgniter User Guide Version 2.0.2</h1></td>
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60 <p>The Path Helper file contains functions that permits you to work with file paths on the server.</p>
63 <h2>Loading this Helper</h2>
65 <p>This helper is loaded using the following code:</p>
66 <code>$this->load->helper('path');</code>
68 <p>The following functions are available:</p>
71 <h2>set_realpath()</h2>
73 <p>Checks to see if the path exists. This function will return a server path without symbolic links or relative directory structures. An optional second argument will cause an error to be triggered if the path cannot be resolved.</p>
75 <code>$directory = '/etc/passwd';<br />
76 echo set_realpath($directory);<br />
77 // returns "/etc/passwd"<br />
79 $non_existent_directory = '/path/to/nowhere';<br />
80 echo set_realpath($non_existent_directory, TRUE);<br />
81 // returns an <strong>error</strong>, as the path could not be resolved
83 echo set_realpath($non_existent_directory, FALSE);<br />
84 // returns "/path/to/nowhere"
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