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authorAndrey Andreev <narf@devilix.net>2019-09-19 14:08:45 +0200
committerAndrey Andreev <narf@devilix.net>2019-09-19 14:08:45 +0200
commitb73eb19aed66190c10c9cad476da7c36c271d6dc (patch)
treeb3d5d4f960569c30701934416d6d51628bde81a7 /user_guide/helpers/path_helper.html
parent6e052d80b95b9332ed592cdc3431b5f9dc8dd250 (diff)
[ci skip] 3.1.11 release
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+
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+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
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+ <title>Path Helper &mdash; CodeIgniter 3.1.11 documentation</title>
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+<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
+</ul>
+</li>
+</ul>
+<ul class="current">
+<li class="toctree-l1 current"><a class="reference internal" href="index.html">Helpers</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="array_helper.html">Array Helper</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="number_helper.html">Number Helper</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Path Helper</a></li>
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+ <li><a href="../index.html">Docs</a> &raquo;</li>
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+ <li><a href="index.html">Helpers</a> &raquo;</li>
+
+ <li>Path Helper</li>
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+
+ </li>
+ <div style="float:right;margin-left:5px;" id="closeMe">
+ <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" />
+ </div>
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+ <div role="main" class="document">
+
+ <div class="section" id="path-helper">
+<h1>Path Helper<a class="headerlink" href="#path-helper" title="Permalink to this headline">¶</a></h1>
+<p>The Path Helper file contains functions that permits you to work with
+file paths on the server.</p>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#loading-this-helper" id="id1">Loading this Helper</a></li>
+<li><a class="reference internal" href="#available-functions" id="id2">Available Functions</a></li>
+</ul>
+</div>
+<div class="custom-index container"></div><div class="section" id="loading-this-helper">
+<h2><a class="toc-backref" href="#id1">Loading this Helper</a><a class="headerlink" href="#loading-this-helper" title="Permalink to this headline">¶</a></h2>
+<p>This helper is loaded using the following code:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">helper</span><span class="p">(</span><span class="s1">&#39;path&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="available-functions">
+<h2><a class="toc-backref" href="#id2">Available Functions</a><a class="headerlink" href="#available-functions" title="Permalink to this headline">¶</a></h2>
+<p>The following functions are available:</p>
+<dl class="function">
+<dt id="set_realpath">
+<code class="descname">set_realpath</code><span class="sig-paren">(</span><em>$path</em><span class="optional">[</span>, <em>$check_existance = FALSE</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#set_realpath" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$path</strong> (<em>string</em>) – Path</li>
+<li><strong>$check_existance</strong> (<em>bool</em>) – Whether to check if the path actually exists</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">An absolute path</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>This function will return a server path without symbolic links or
+relative directory structures. An optional second argument will
+cause an error to be triggered if the path cannot be resolved.</p>
+<p>Examples:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$file</span> <span class="o">=</span> <span class="s1">&#39;/etc/php5/apache2/php.ini&#39;</span><span class="p">;</span>
+<span class="k">echo</span> <span class="nx">set_realpath</span><span class="p">(</span><span class="nv">$file</span><span class="p">);</span> <span class="c1">// Prints &#39;/etc/php5/apache2/php.ini&#39;</span>
+
+<span class="nv">$non_existent_file</span> <span class="o">=</span> <span class="s1">&#39;/path/to/non-exist-file.txt&#39;</span><span class="p">;</span>
+<span class="k">echo</span> <span class="nx">set_realpath</span><span class="p">(</span><span class="nv">$non_existent_file</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span> <span class="c1">// Shows an error, as the path cannot be resolved</span>
+<span class="k">echo</span> <span class="nx">set_realpath</span><span class="p">(</span><span class="nv">$non_existent_file</span><span class="p">,</span> <span class="k">FALSE</span><span class="p">);</span> <span class="c1">// Prints &#39;/path/to/non-exist-file.txt&#39;</span>
+
+<span class="nv">$directory</span> <span class="o">=</span> <span class="s1">&#39;/etc/php5&#39;</span><span class="p">;</span>
+<span class="k">echo</span> <span class="nx">set_realpath</span><span class="p">(</span><span class="nv">$directory</span><span class="p">);</span> <span class="c1">// Prints &#39;/etc/php5/&#39;</span>
+
+<span class="nv">$non_existent_directory</span> <span class="o">=</span> <span class="s1">&#39;/path/to/nowhere&#39;</span><span class="p">;</span>
+<span class="k">echo</span> <span class="nx">set_realpath</span><span class="p">(</span><span class="nv">$non_existent_directory</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span> <span class="c1">// Shows an error, as the path cannot be resolved</span>
+<span class="k">echo</span> <span class="nx">set_realpath</span><span class="p">(</span><span class="nv">$non_existent_directory</span><span class="p">,</span> <span class="k">FALSE</span><span class="p">);</span> <span class="c1">// Prints &#39;/path/to/nowhere&#39;</span>
+</pre></div>
+</div>
+</dd></dl>
+
+</div>
+</div>
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+
+ </div>
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+ </div>
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+ <hr/>
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+ <div role="contentinfo">
+ <p>
+ &copy; Copyright 2014 - 2019, British Columbia Institute of Technology.
+ Last updated on Sep 19, 2019.
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