php-doc-en/functions/dir.sgml

 <reference id="ref.dir">
  <title>Directory functions</title>
  <titleabbrev>Directories</titleabbrev>

  <refentry id="function.chdir">
   <refnamediv>
    <refname>chdir</refname>
    <refpurpose>change directory</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <funcsynopsis>
     <funcdef>int <function>chdir</function></funcdef>
     <paramdef>string <parameter>directory</parameter></paramdef>
    </funcsynopsis>
    <para>
     Changes PHP's current directory to
     <parameter>directory</parameter>.  Returns FALSE if unable to
     change directory, TRUE otherwise.

   </refsect1>
  </refentry>


  <refentry id="class.dir">
   <refnamediv>
    <refname>dir</refname>
    <refpurpose>directory class</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <funcsynopsis>
     <funcdef>new <function>dir</function></funcdef>
     <paramdef>string <parameter>directory</parameter></paramdef>
    </funcsynopsis>
	<para>
	A pseudo-object oriented mechanism for reading a directory.  The
	given <parameter>directory</parameter> is opened.  Two properties 
	are available once directory has been opened.  The handle property
	can be used with other directory functions such as <function>readdir</function>,
	<function>rewinddir</function> and <function>closedir</function>.  The path
	property is set to path the directory that was opened.  Three methods are
	available: read, rewind and close.

	<example><title>Dir() Example</title>
<programlisting role=php>
$d = dir("/etc");
echo "Handle: ".$d->handle."&lt;br>\n";
echo "Path: ".$d->path."&lt;br>\n";
while($entry=$d->read()) {
    echo $entry."&lt;br>\n";
}
$d->close();
	</programlisting></example>
   </refsect1>
  </refentry>


  <refentry id="function.closedir">
   <refnamediv>
    <refname>closedir</refname>
    <refpurpose>close directory handle</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <funcsynopsis>
     <funcdef>void <function>closedir</function></funcdef>
     <paramdef>int <parameter>dir_handle</parameter></paramdef>
    </funcsynopsis>
    <para>
     Closes the directory stream indicated by
     <parameter>dir_handle</parameter>. The stream must have previously
     been opened by <function>opendir</function>.

   </refsect1>
  </refentry>


  <refentry id="function.opendir">
   <refnamediv>
    <refname>opendir</refname>
    <refpurpose>open directory handle</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <funcsynopsis>
     <funcdef>int <function>opendir</function></funcdef>
     <paramdef>string <parameter>path</parameter></paramdef>
    </funcsynopsis>
<para>    Returns a directory handle to be used in subsequent <function>closedir</function>, <function>readdir</function>, and <function>rewinddir</function> calls.
  </para>
   </refsect1>
  </refentry>


  <refentry id="function.readdir">
   <refnamediv>
    <refname>readdir</refname>
    <refpurpose>read entry from directory handle</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <funcsynopsis>
     <funcdef>string <function>readdir</function></funcdef>
     <paramdef>int <parameter>dir_handle</parameter></paramdef>
    </funcsynopsis>
    <para>
     Returns the filename of the next file from the directory. The
     filenames are not returned in any particular order.
    <example><title>List all files in the current directory</title>
    <programlisting>
&lt;?php
    $handle=opendir('.');
    echo "Directory handle: $handle\n";
    echo "Files:\n";
    while ($file = readdir($handle)) {
        echo "$file\n";
    }
    closedir($handle); 
?>
    </programlisting>
    </example>
   </refsect1>
  </refentry>


  <refentry id="function.rewinddir">
   <refnamediv>
    <refname>rewinddir</refname>
    <refpurpose>rewind directory handle</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <funcsynopsis>
     <funcdef>void <function>rewinddir</function></funcdef>
     <paramdef>int <parameter>dir_handle</parameter></paramdef>
    </funcsynopsis>

     <para>
     Resets the directory stream indicated by
     <parameter>dir_handle</parameter> to the beginning of the directory.


   </refsect1>
  </refentry>


 </reference>

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