<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$TOC_DEPRECATED = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/book.dom.inc";
$setup = array (
  'home' => 
  array (
    0 => 'index.php',
    1 => 'PHP Manual',
  ),
  'head' => 
  array (
    0 => 'UTF-8',
    1 => 'pt_BR',
  ),
  'this' => 
  array (
    0 => 'class.domxpath.php',
    1 => 'DOMXPath',
    2 => 'A classe DOMXPath',
  ),
  'up' => 
  array (
    0 => 'book.dom.php',
    1 => 'DOM',
  ),
  'prev' => 
  array (
    0 => 'domtext.splittext.php',
    1 => 'DOMText::splitText',
  ),
  'next' => 
  array (
    0 => 'domxpath.construct.php',
    1 => 'DOMXPath::__construct',
  ),
  'alternatives' => 
  array (
  ),
  'source' => 
  array (
    'lang' => 'pt_BR',
    'path' => 'reference/dom/domxpath.xml',
  ),
  'history' => 
  array (
  ),
  'extra_header_links' => 
  array (
    'rel' => 'alternate',
    'href' => '/manual/en/feeds/class.domxpath.atom',
    'type' => 'application/atom+xml',
  ),
);
$setup["toc"] = $TOC;
$setup["toc_deprecated"] = $TOC_DEPRECATED;
$setup["parents"] = $PARENTS;
manual_setup($setup);

contributors($setup);

?>
<div id="class.domxpath" class="reference">
 <h1 class="title">A classe DOMXPath</h1>
 

 <div class="partintro"><p class="verinfo">(PHP 5, PHP 7, PHP 8)</p>


  <div class="section" id="domxpath.intro">
   <h2 class="title">Introdução</h2>
   <p class="simpara">
    Permite usar consultas XPath 1.0 em documentos HTML ou XML.
   </p>
  </div>


  <div class="section" id="domxpath.synopsis">
   <h2 class="title">Resumo da classe</h2>


   <div class="classsynopsis"><div class="classsynopsisinfo">
    
     <span class="modifier">class</span> <strong class="classname"><strong class="classname">DOMXPath</strong></strong>
     {</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Propriedades */</div>
    <div class="fieldsynopsis">
     <span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="class.domdocument.php" class="type DOMDocument">DOMDocument</a></span>
      <var class="varname"><a href="class.domxpath.php#domxpath.props.document">$<var class="varname">document</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span>
      <var class="varname"><a href="class.domxpath.php#domxpath.props.registernodenamespaces">$<var class="varname">registerNodeNamespaces</var></a></var>;</div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Métodos */</div>
    <div class="constructorsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><a href="domxpath.construct.php" class="methodname">__construct</a></span>(<span class="methodparam"><span class="type"><a href="class.domdocument.php" class="type DOMDocument">DOMDocument</a></span> <code class="parameter">$document</code></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$registerNodeNS</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong></span></span>)</div>

    <div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="domxpath.evaluate.php" class="methodname">evaluate</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$expression</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="class.domnode.php" class="type DOMNode">DOMNode</a></span></span> <code class="parameter">$contextNode</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$registerNodeNS</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong></span></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="domxpath.query.php" class="methodname">query</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$expression</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="class.domnode.php" class="type DOMNode">DOMNode</a></span></span> <code class="parameter">$contextNode</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$registerNodeNS</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong></span></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><a href="domxpath.quote.php" class="methodname">quote</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$str</code></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="domxpath.registernamespace.php" class="methodname">registerNamespace</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$prefix</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$namespace</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="domxpath.registerphpfunctionns.php" class="methodname">registerPhpFunctionNS</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$namespaceURI</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$name</code></span>, <span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callable</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="domxpath.registerphpfunctions.php" class="methodname">registerPhpFunctions</a></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.array.php" class="type array">array</a></span>|<span class="type"><a href="language.types.null.php" class="type null">null</a></span></span> <code class="parameter">$restrict</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

   }</div>


  </div>


  <div class="section" id="domxpath.props">
   <h2 class="title">Propriedades</h2>
   <dl>
    
     <dt id="domxpath.props.document"><var class="varname">document</var></dt>
     <dd>
      <span class="simpara">O documento que está vinculado a este objeto.</span>
     </dd>
    
    
     <dt id="domxpath.props.registernodenamespaces"><var class="varname">registerNodeNamespaces</var></dt>
     <dd>
      <span class="simpara">Quando definido como <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong>, os namespaces no nó são registrados.</span>
     </dd>
    
   </dl>
  </div>


  <div class="section">
   <h2 class="title">Registro de Alterações</h2>
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>Versão</th>
       <th>Descrição</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>8.4.0</td>
       <td>
        Não é mais possível clonar um objeto <span class="classname"><strong class="classname">DOMXPath</strong></span>.
        Fazer isso resultará no lançamento de uma exceção.
        Antes do PHP 8.4.0 isso resultava em um objeto não utilizável.
       </td>
      </tr>

      <tr>
       <td>8.0.0</td>
       <td>
        A propriedade <var class="varname">registerNodeNamespaces</var> foi adicionada.
       </td>
      </tr>

     </tbody>
    
   </table>

  </div>





 </div>

 



































<h2>Índice</h2><ul class="chunklist chunklist_reference"><li><a href="domxpath.construct.php">DOMXPath::__construct</a> — Cria um novo objeto DOMXPath</li><li><a href="domxpath.evaluate.php">DOMXPath::evaluate</a> — Avalia a express&atilde;o XPath fornecida e retorna um resultado tipado se poss&iacute;vel</li><li><a href="domxpath.query.php">DOMXPath::query</a> — Avalia a express&atilde;o XPath fornecida</li><li><a href="domxpath.quote.php">DOMXPath::quote</a> — Envolve uma string com aspas para uso em uma express&atilde;o XPath</li><li><a href="domxpath.registernamespace.php">DOMXPath::registerNamespace</a> — Registra o namespace com o objeto DOMXPath</li><li><a href="domxpath.registerphpfunctionns.php">DOMXPath::registerPhpFunctionNS</a> — Registra uma fun&ccedil;&atilde;o PHP como fun&ccedil;&atilde;o XPath com namespace</li><li><a href="domxpath.registerphpfunctions.php">DOMXPath::registerPhpFunctions</a> — Registra fun&ccedil;&otilde;es PHP como fun&ccedil;&otilde;es XPath</li></ul>
</div>
<?php manual_footer($setup); ?>