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--TEST--
DOMNode::normalize()
--EXTENSIONS--
dom
--FILE--
<?php
/* Create an XML document
* with structure
* <book>
* <author></author>
* <title>This is the title</title>
* </book>
* Calculate the number of title text nodes (1).
* Add another text node to title. Calculate the number of title text nodes (2).
* Normalize author. Calculate the number of title text nodes (2).
* Normalize title. Calculate the number of title text nodes (1).
*/
$doc = new DOMDocument();
$root = $doc->createElement('book');
$doc->appendChild($root);
$title = $doc->createElement('title');
$root->appendChild($title);
$author = $doc->createElement('author');
$root->appendChild($author);
$text = $doc->createTextNode('This is the first title');
$title->appendChild($text);
echo "Number of child nodes of title = ";
var_dump($title->childNodes->length);
// add a second text node to title
$text = $doc->createTextNode('This is the second title');
$title->appendChild($text);
echo "Number of child nodes of title after adding second title = ";
var_dump($title->childNodes->length);
// should do nothing
$author->normalize();
echo "Number of child nodes of title after normalizing author = ";
var_dump($title->childNodes->length);
// should concatenate first and second title text nodes
$title->normalize();
echo "Number of child nodes of title after normalizing title = ";
var_dump($title->childNodes->length);
?>
--EXPECT--
Number of child nodes of title = int(1)
Number of child nodes of title after adding second title = int(2)
Number of child nodes of title after normalizing author = int(2)
Number of child nodes of title after normalizing title = int(1)
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