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<?xml version="1.0" encoding="iso-8859-2"?>
<reference id="ref.dir">
<title>Adresov funkce</title>
<titleabbrev>Adrese</titleabbrev>
<refentry id="function.chdir">
<refnamediv>
<refname>chdir</refname>
<refpurpose>change directory</refpurpose>
</refnamediv>
<refsect1>
<title>Popis</title>
<methodsynopsis>
<type>int</type><methodname>chdir</methodname>
<methodparam><type>string</type><parameter>directory</parameter></methodparam>
</methodsynopsis>
<para>
Mn aktuln adres PHP na <parameter>directory</parameter>. Pokud se
nepodailo zmnt adres, vrac &false;, jinak &true;.
</para>
</refsect1>
</refentry>
<refentry id="class.dir">
<refnamediv>
<refname>dir</refname>
<refpurpose>directory class</refpurpose>
</refnamediv>
<refsect1>
<title>Popis</title>
<methodsynopsis>
<type>new</type><methodname>dir</methodname>
<methodparam><type>string</type><parameter>directory</parameter></methodparam>
</methodsynopsis>
<para>
Pseudo-objektov orientovan mechanismus pro ten adrese. Oteve zadan
<parameter>directory</parameter>. Po oteven adrese jsou pstupn dv
vlastnosti. Vlastnost handle je pouiteln s jinmi adresovmi funkcemi
jako <function>readdir</function>, <function>rewinddir</function> a
<function>closedir</function>. Hodnotou vlastnosti path je cesta k
otevenmu adresi. Dle jsou pstupn ti metody:
read, rewind a close.
<example>
<title><function>dir</function> pklad</title>
<programlisting role="php">
$d = dir("/etc");
echo "Handle: ".$d->handle."<br>\n";
echo "Path: ".$d->path."<br>\n";
while($entry=$d->read()) {
echo $entry."<br>\n";
}
$d->close();
</programlisting>
</example>
</para>
</refsect1>
</refentry>
<refentry id="function.closedir">
<refnamediv>
<refname>closedir</refname>
<refpurpose>Zavr oteven adres</refpurpose>
</refnamediv>
<refsect1>
<title>Popis</title>
<methodsynopsis>
<type>void</type><methodname>closedir</methodname>
<methodparam><type>int</type><parameter>dir_handle</parameter></methodparam>
</methodsynopsis>
<para>
Zavr proud z adrese specifikovan v <parameter>dir_handle</parameter>.
Proud mus pochzet z funkce <function>opendir</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.getcwd">
<refnamediv>
<refname>getcwd</refname>
<refpurpose>Zskv aktuln pracovn adres</refpurpose>
</refnamediv>
<refsect1>
<title>Popis</title>
<methodsynopsis>
<type>string</type><methodname>getcwd</methodname>
<void/>
</methodsynopsis>
<para>
Vrac aktuln pracovn adres.
</para>
</refsect1>
</refentry>
<refentry id="function.opendir">
<refnamediv>
<refname>opendir</refname>
<refpurpose>Oteve adres</refpurpose>
</refnamediv>
<refsect1>
<title>Popis</title>
<methodsynopsis>
<type>int</type><methodname>opendir</methodname>
<methodparam><type>string</type><parameter>path</parameter></methodparam>
</methodsynopsis>
<para>
Vrac deskriptor adrese pouiteln v nslednch volnch
<function>closedir</function>, <function>readdir</function>, a
<function>rewinddir</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.readdir">
<refnamediv>
<refname>readdir</refname>
<refpurpose>Pete poloku z deskriptoru adrese</refpurpose>
</refnamediv>
<refsect1>
<title>Popis</title>
<methodsynopsis>
<type>string</type><methodname>readdir</methodname>
<methodparam><type>int</type><parameter>dir_handle</parameter></methodparam>
</methodsynopsis>
<para>
Vrac nzev dalho souboru v adresi. Nzvy soubor nejsou nijak
tdny.
<example>
<title>Vypi vechny soubory v adresi</title>
<programlisting role="php">
// Note that !== did not exist until 4.0.0-RC2
<?php
$handle=opendir('.');
echo "Directory handle: $handle\n";
echo "Files:\n";
while (($file = readdir($handle))!==false) {
echo "$file\n";
}
closedir($handle);
?>
</programlisting>
</example>
</para>
<para>
Vimnte si, e <function>readdir</function> vrac tak . a
.. poloky (odkaz na sebe sama a na nadazen adres. Pokud je nechcete,
mete je snadno vynechat:
<example>
<title>
Vypi vechny soubory v adresi a vynech . a ..
</title>
<programlisting role="php">
<?php
$handle=opendir('.');
while (false!==($file = readdir($handle))) {
if ($file != "." && $file != "..") {
echo "$file\n";
}
}
closedir($handle);
?>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
<refentry id="function.rewinddir">
<refnamediv>
<refname>rewinddir</refname>
<refpurpose>nvrat na zatek adrese</refpurpose>
</refnamediv>
<refsect1>
<title>Popis</title>
<methodsynopsis>
<type>void</type><methodname>rewinddir</methodname>
<methodparam><type>int</type><parameter>dir_handle</parameter></methodparam>
</methodsynopsis>
<para>
Vrac adresov proud odkazovan deskriptorem
<parameter>dir_handle</parameter> na zatek adrese.
</para>
</refsect1>
</refentry>
</reference>
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