restore-exception-handler.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 4a6671fe697ead5b27603b56face01a2c4e7ebe5 Maintainer: hholzgra  Status: ready -->
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<refentry xml:id="function.restore-exception-handler" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>restore_exception_handler</refname>
  <refpurpose>
   Stellt den vorherigen Exceptionhandler wieder her
  </refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>true</type><methodname>restore_exception_handler</methodname>
   <void/>
  </methodsynopsis>
  <para>
   Diese Funktion kann genutzt werden, um die Installation eines
   Exceptionhandlers mit <function>set_exception_handler</function>
   rückgängig zu machen und den vorherigen Handler wieder in Kraft
   zu setzen (entweder den eingebauten oder eine andere benutzerdefinierte
   Funktion).
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.true.always;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>restore_exception_handler</function>-Beispiel</title>
    <programlisting role="php">
<![CDATA[
<?php
function exception_handler_1(Exception $e)
{
    echo '[' . __FUNCTION__ . '] ' . $e->getMessage();
}

function exception_handler_2(Exception $e)
{
    echo '[' . __FUNCTION__ . '] ' . $e->getMessage();
}

set_exception_handler('exception_handler_1');
set_exception_handler('exception_handler_2');

restore_exception_handler();

throw new Exception('Dies löst den ersten Exceptionhandler aus ...');
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
[exception_handler_1] Dies löst den ersten Exceptionhandler aus ...
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>set_exception_handler</function></member>
    <member><function>get_exception_handler</function></member>
    <member><function>set_error_handler</function></member>
    <member><function>restore_error_handler</function></member>
    <member><function>error_reporting</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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