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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.libxml-use-internal-errors" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>libxml_use_internal_errors</refname>
<refpurpose>
Disable libxml errors and allow user to fetch error information as needed
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>libxml_use_internal_errors</methodname>
<methodparam choice="opt"><type class="union"><type>bool</type><type>null</type></type><parameter>use_errors</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
<function>libxml_use_internal_errors</function> allows you to disable
standard libxml errors and enable user error handling.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>use_errors</parameter></term>
<listitem>
<para>
Enable (&true;) user error handling or disable (&false;) user error handling. Disabling will also clear any existing libxml errors.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
This function returns the previous value of
<parameter>use_errors</parameter>.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.0.0</entry>
<entry>
<parameter>use_errors</parameter> is nullable now. Previously, its default
was &false;.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>A <function>libxml_use_internal_errors</function> example</title>
<para>
This example demonstrates the basic usage of libxml errors and the value
returned by this function.
</para>
<programlisting role="php">
<![CDATA[
<?php
// enable user error handling
var_dump(libxml_use_internal_errors(true));
// load the document
$doc = new DOMDocument;
if (!$doc->load('file.xml')) {
foreach (libxml_get_errors() as $error) {
// handle errors here
}
libxml_clear_errors();
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
bool(false)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>libxml_clear_errors</function></member>
<member><function>libxml_get_errors</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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