apache-getenv.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.apache-getenv" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>apache_getenv</refname>
  <refpurpose>Liefert eine Apache-Subprocess_env-Variable</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>false</type></type><methodname>apache_getenv</methodname>
   <methodparam><type>string</type><parameter>variable</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>walk_to_top</parameter><initializer>&false;</initializer></methodparam>
  </methodsynopsis>
  <para>
   Liefert die durch <parameter>variable</parameter> angegebene
   Apache-Umgebungsvariable.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>variable</parameter></term>
     <listitem>
      <para>
       Die Apache-Umgebungsvariable
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>walk_to_top</parameter></term>
     <listitem>
      <para>
       Legt fest, ob die geholte Toplevel-Variable allen Apache-Layern verfügbar
       gemacht werden soll.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Der Wert der Apache-Umgebungsvariablen im Erfolgsfall; im Fehlerfall wird
   &false; zurückgegeben.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>apache_getenv</function>-Beispiel</title>
    <para>
     Das folgende Beispiel zeigt, wie man den Wert der Apache-Umgebungsvariablen
     <varname>SERVER_ADDR</varname> abfragen kann.
    </para>
    <programlisting role="php">
<![CDATA[
<?php
$ret = apache_getenv("SERVER_ADDR");
echo $ret;
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
42.24.42.240
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>apache_setenv</function></member>
    <member><function>getenv</function></member>
    <member><link linkend="language.variables.superglobals">Superglobals</link></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>


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