gethostbyaddr.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.gethostbyaddr" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>gethostbyaddr</refname>
  <refpurpose>
   Liefert den zur angegebenen IP-Adresse passenden Internet-Hostnamen
  </refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>false</type></type><methodname>gethostbyaddr</methodname>
   <methodparam><type>string</type><parameter>ip</parameter></methodparam>
  </methodsynopsis>
  <para>
     Gibt den Internet-Hostnamen passend zur angegebenen
     <parameter>ip</parameter> zurück.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>ip</parameter></term>
     <listitem>
      <para>
       Die IP-Adresse des Hosts.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Gibt bei Erfolg den Hostnamen zurück, im Fehlerfall die unmodifizierte
   <parameter>ip</parameter> oder &false; bei einer fehlerhaften Eingabe.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Ein einfaches <function>gethostbyaddr</function>-Beispiel</title>
    <programlisting role="php">
<![CDATA[
<?php
$hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']);

echo $hostname;
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>gethostbyname</function></member>
    <member><function>gethostbynamel</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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