<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="domdocument.validate" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>DOMDocument::validate</refname>
  <refpurpose>
   Validates the document based on its DTD
  </refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="DOMDocument">
   <modifier>public</modifier> <type>bool</type><methodname>DOMDocument::validate</methodname>
   <void/>
  </methodsynopsis>
  <para>
   Validates the document based on its DTD. 
  </para>
  <para>
   You can also use the <literal>validateOnParse</literal> property of 
   <classname>DOMDocument</classname> to make a DTD validation.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>
 
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
   If the document has no DTD attached, this method will return &false;.
  </para>
 </refsect1>
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Example of DTD validation</title>
    <programlisting role="php">
<![CDATA[
<?php
$dom = new DOMDocument;
$dom->load('book.xml');
if ($dom->validate()) {
    echo "This document is valid!\n";
}
?>
]]>
    </programlisting>
    <para>
     You can also validate your XML file while loading it:
    </para>
    <programlisting role="php">
<![CDATA[
<?php
$dom = new DOMDocument;
$dom->validateOnParse = true;
$dom->load('book.xml');
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>DOMDocument::schemaValidate</methodname></member>
    <member><methodname>DOMDocument::schemaValidateSource</methodname></member>
    <member><methodname>DOMDocument::relaxNGValidate</methodname></member>
    <member><methodname>DOMDocument::relaxNGValidateSource</methodname></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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