doc-en/reference/libxml/functions/libxml-set-streams-context.xml at master · php/doc-en · GitHub

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.libxml-set-streams-context" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>libxml_set_streams_context</refname>
  <refpurpose>
   Set the streams context for the next libxml document load or write
  </refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>void</type><methodname>libxml_set_streams_context</methodname>
   <methodparam><type>resource</type><parameter>context</parameter></methodparam>
  </methodsynopsis>
  <para>
   Sets the streams context for the next libxml document load or write.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>context</parameter></term>
      <listitem>
       <para>
        The stream context resource (created with
        <function>stream_context_create</function>)
       </para>
      </listitem>
     </varlistentry>
   </variablelist>
  </para>
 </refsect1>

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

 <refsect1 role="errors">
  &reftitle.errors;
  <simpara>
   Throws a <classname>TypeError</classname> when a non-stream resource is
   passed to <parameter>context</parameter>.
  </simpara>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>8.4.0</entry>
      <entry>
       <function>libxml_set_streams_context</function> now throws a
       <exceptionname>TypeError</exceptionname> when a non-stream resource is passed
       to <parameter>context</parameter>, instead of throwing later when the
       context is used.
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>A <function>libxml_set_streams_context</function> example</title>
    <programlisting role="php" annotations="non-interactive">
<![CDATA[
<?php
$opts = array(
    'http' => array(
        'user_agent' => 'PHP libxml agent',
    )
);

$context = stream_context_create($opts);
libxml_set_streams_context($context);

// request a file through HTTP
$dom = new DOMDocument;
$doc = $dom->load('http://www.example.com/file.xml');
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

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