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<title>Determine if current DirectoryIterator item is a symbolic link</title>
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<h1 class="refname">DirectoryIterator::isLink</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">DirectoryIterator::isLink</span> — <span class="dc-title">Determine if current DirectoryIterator item is a symbolic link</span></p>
</div>
<div class="refsect1 description" id="refsect1-directoryiterator.islink-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><strong>DirectoryIterator::isLink</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
Determines if the current <a href="class.directoryiterator.html" class="classname">DirectoryIterator</a>
item is a symbolic link.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-directoryiterator.islink-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-directoryiterator.islink-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> if the item is a symbolic link, otherwise <strong><code>FALSE</code></strong>
</p>
</div>
<div class="refsect1 examples" id="refsect1-directoryiterator.islink-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3864">
<p><strong>Example #1 A <span class="methodname"><strong>DirectoryIterator::isLink()</strong></span> example</strong></p>
<div class="example-contents"><p>
This example contains a recursive function for removing a directory tree.
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/**<br /> * This function will recursively delete all files in the given path, without<br /> * following symlinks.<br /> * <br /> * @param string $path Path to the directory to remove.<br /> */<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">removeDir</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$dir </span><span style="color: #007700">= new </span><span style="color: #0000BB">DirectoryIterator</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">);<br /> foreach (</span><span style="color: #0000BB">$dir </span><span style="color: #007700">as </span><span style="color: #0000BB">$fileinfo</span><span style="color: #007700">) {<br /> if (</span><span style="color: #0000BB">$fileinfo</span><span style="color: #007700">-></span><span style="color: #0000BB">isFile</span><span style="color: #007700">() || </span><span style="color: #0000BB">$fileinfo</span><span style="color: #007700">-></span><span style="color: #0000BB">isLink</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">unlink</span><span style="color: #007700">(</span><span style="color: #0000BB">$fileinfo</span><span style="color: #007700">-></span><span style="color: #0000BB">getPathName</span><span style="color: #007700">());<br /> } elseif (!</span><span style="color: #0000BB">$fileinfo</span><span style="color: #007700">-></span><span style="color: #0000BB">isDot</span><span style="color: #007700">() && </span><span style="color: #0000BB">$fileinfo</span><span style="color: #007700">-></span><span style="color: #0000BB">isDir</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">removeDir</span><span style="color: #007700">(</span><span style="color: #0000BB">$fileinfo</span><span style="color: #007700">-></span><span style="color: #0000BB">getPathName</span><span style="color: #007700">());<br /> }<br /> }<br /> </span><span style="color: #0000BB">rmdir</span><span style="color: #007700">(</span><span style="color: #0000BB">$path</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">removeDir</span><span style="color: #007700">(</span><span style="color: #DD0000">'foo'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
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</div>
</p>
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<div class="refsect1 seealso" id="refsect1-directoryiterator.islink-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="directoryiterator.gettype.html" class="methodname" rel="rdfs-seeAlso">DirectoryIterator::getType()</a> - Determine the type of the current DirectoryIterator item</span></li>
<li class="member"> <span class="methodname"><a href="directoryiterator.isdir.html" class="methodname" rel="rdfs-seeAlso">DirectoryIterator::isDir()</a> - Determine if current DirectoryIterator item is a directory</span></li>
<li class="member"> <span class="methodname"><a href="directoryiterator.isdot.html" class="methodname" rel="rdfs-seeAlso">DirectoryIterator::isDot()</a> - Determine if current DirectoryIterator item is '.' or '..'</span></li>
<li class="member"> <span class="methodname"><a href="directoryiterator.isfile.html" class="methodname" rel="rdfs-seeAlso">DirectoryIterator::isFile()</a> - Determine if current DirectoryIterator item is a regular file</span></li>
</ul>
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