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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.xml-parser-set-option">
 <refnamediv>
  <refname>xml_parser_set_option</refname>
  <refpurpose>Set options in an XML parser</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>xml_parser_set_option</methodname>
   <methodparam><type>resource</type><parameter>parser</parameter></methodparam>
   <methodparam><type>int</type><parameter>option</parameter></methodparam>
   <methodparam><type>mixed</type><parameter>value</parameter></methodparam>
  </methodsynopsis>
  <para>
   Sets an option in an XML parser.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>parser</parameter></term>
     <listitem>
      <para>
       A reference to the XML parser to set an option in.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>option</parameter></term>
     <listitem>
      <para>
       Which option to set.  See below.
      </para>
      <para>
       The following options are available:
       <table>
        <title>XML parser options</title>
        <tgroup cols="3">
         <thead>
          <row>
           <entry>Option constant</entry>
           <entry>Data type</entry>
           <entry>Description</entry>
          </row>
         </thead>
         <tbody>
          <row>
           <entry><constant>XML_OPTION_CASE_FOLDING</constant></entry>
           <entry>integer</entry>
           <entry>
            Controls whether <link
            linkend="xml.case-folding">case-folding</link> is enabled for this
            XML parser.  Enabled by default.
           </entry>
          </row>
          <row>
           <entry><constant>XML_OPTION_SKIP_TAGSTART</constant></entry>
           <entry>integer</entry> 
           <entry>
            Specify how many characters should be skipped in the beginning of a
            tag name.
           </entry>
          </row>
          <row>
           <entry><constant>XML_OPTION_SKIP_WHITE</constant></entry>
           <entry>integer</entry> 
           <entry>
            Whether to skip values consisting of whitespace characters.
           </entry>
          </row>
          <row>
           <entry><constant>XML_OPTION_TARGET_ENCODING</constant></entry>
           <entry>string</entry> 
           <entry>
            Sets which <link linkend="xml.encoding">target encoding</link> to
            use in this XML parser.By default, it is set to the same as the
            source encoding used by <function>xml_parser_create</function>.
            Supported target encodings are <literal>ISO-8859-1</literal>,
            <literal>US-ASCII</literal> and <literal>UTF-8</literal>.
           </entry>
          </row>
         </tbody>
        </tgroup>
       </table>
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>value</parameter></term>
     <listitem>
      <para>
       The option's new value.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   This function returns &false; if <parameter>parser</parameter> does not
   refer to a valid parser, or if the option could not be set.  Else the
   option is set and &true; is returned.
  </para>
 </refsect1>

</refentry>

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