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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<refentry xml:id="function.restore-exception-handler" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>restore_exception_handler</refname>
<refpurpose>
Restores the previously defined exception handler function
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>restore_exception_handler</methodname>
<void/>
</methodsynopsis>
<para>
Used after changing the exception handler function using
<function>set_exception_handler</function>, to revert to the previous
exception handler (which could be the built-in or a user defined
function).
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
This function always returns &true;.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>restore_exception_handler</function> example</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('This triggers the first exception handler...');
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
[exception_handler_1] This triggers the first exception handler...
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>set_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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