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<?xml version='1.0' encoding="utf-8"?>
<!-- $Revision: 297078 $ -->
<refentry xml:id="directoryiterator.islink" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>DirectoryIterator::isLink</refname>
<refpurpose>Determine if current DirectoryIterator item is a symbolic link</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>bool</type><methodname>DirectoryIterator::isLink</methodname>
<void/>
</methodsynopsis>
<para>
Determines if the current <classname>DirectoryIterator</classname>
item is a symbolic link.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns &true; if the item is a symbolic link, otherwise &false;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>A <methodname>DirectoryIterator::isLink</methodname> example</title>
<para>
This example contains a recursive function for removing a directory tree.
</para>
<programlisting role="php">
<![CDATA[
<?php
/**
* This function will recursively delete all files in the given path, without
* following symlinks.
*
* @param string $path Path to the directory to remove.
*/
function removeDir($path) {
$dir = new DirectoryIterator($path);
foreach ($dir as $fileinfo) {
if ($fileinfo->isFile() || $fileinfo->isLink()) {
unlink($fileinfo->getPathName());
} elseif (!$fileinfo->isDot() && $fileinfo->isDir()) {
removeDir($fileinfo->getPathName());
}
}
rmdir($path);
}
removeDir('foo');
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><methodname>DirectoryIterator::getType</methodname></member>
<member><methodname>DirectoryIterator::isDir</methodname></member>
<member><methodname>DirectoryIterator::isDot</methodname></member>
<member><methodname>DirectoryIterator::isFile</methodname></member>
</simplelist>
</para>
</refsect1>
</refentry>
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