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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.xml-parse">
 <refnamediv>
  <refname>xml_parse</refname>
  <refpurpose>Start parsing an XML document</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>xml_parse</methodname>
   <methodparam><type>resource</type><parameter>parser</parameter></methodparam>
   <methodparam><type>string</type><parameter>data</parameter></methodparam>
   <methodparam choice="opt"><type>bool</type><parameter>is_final</parameter><initializer>false</initializer></methodparam>
  </methodsynopsis>
  <para>
   <function>xml_parse</function> parses an XML document. The handlers for
   the configured events are called as many times as necessary.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>parser</parameter></term>
     <listitem>
      <para>
       A reference to the XML parser to use.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>data</parameter></term>
     <listitem>
      <para>
       Chunk of data to parse.  A document may be parsed piece-wise by
       calling <function>xml_parse</function> several times with new data,
       as long as the <parameter>is_final</parameter> parameter is set and
       &true; when the last data is parsed.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>is_final</parameter></term>
     <listitem>
      <para>
       If set and &true;, <parameter>data</parameter> is the last piece of
       data sent in this parse.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns 1 on success or 0 on failure.
  </para>
  <para>
   For unsuccessful parses, error information can be retrieved with
   <function>xml_get_error_code</function>,
   <function>xml_error_string</function>,
   <function>xml_get_current_line_number</function>,
   <function>xml_get_current_column_number</function> and
   <function>xml_get_current_byte_index</function>.
  </para>
  <note>
   <para>
    Entity errors are reported at the end of the data thus only if
    <parameter>is_final</parameter> is set and &true;.
   </para>
  </note>
 </refsect1>

</refentry>

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