SimpleXMLElement->xpath()

(no version information, might be only in CVS)

SimpleXMLElement->xpath() -- Runs XPath query on XML data

Descrição

class SimpleXMLElement {

array xpath ( string path )

}

The xpath method searches the SimpleXML node for children matching the XPath path.

Parâmetros

path

An XPath path

Valores de retornado

Always returns an array of SimpleXMLElement objects.

Exemplos

Exemplo 1. Xpath

<?php
$string
= <<<XML
<a>
<b>
  <c>text</c>
  <c>stuff</c>
</b>
<d>
  <c>code</c>
</d>
</a>
XML;

$xml = new SimpleXMLElement($string);

/* Search for <a><b><c> */
$result = $xml->xpath('/a/b/c');

while(list( ,
$node) = each($result)) {
    echo
'/a/b/c: ',$node,"\n";
}

/* Relative paths also work... */
$result = $xml->xpath('b/c');

while(list( ,
$node) = each($result)) {
    echo
'b/c: ',$node,"\n";
}
?>

O exemplo acima irá imprimir:

/a/b/c: text
/a/b/c: stuff
b/c: text
b/c: stuff

Notice that the two results are equal.