DOMDocument::saveXML
Dumps the internal XML tree back into a string
Description
public stringfalse DOMDocument::saveXML(DOMNodenull $node
= null
, int $options
= 0)
Parameters
-
node
-
Use this parameter to output only a specific node without XML declaration
rather than the entire document.
-
options
-
Additional Options.
The LIBXML_NOEMPTYTAG
and LIBXML_NOXMLDECL options are supported.
Prior to PHP 8.3.0, only the LIBXML_NOEMPTYTAG
option is supported.
Return Values
Returns the XML, or false
if an error occurred.
Errors/Exceptions
-
DOM_WRONG_DOCUMENT_ERR
-
Raised if node
is from another document.
Examples
Example #1 Saving a DOM tree into a string
<?php
$doc = new DOMDocument('1.0');
// we want a nice output
$doc->formatOutput = true;
$root = $doc->createElement('book');
$root = $doc->appendChild($root);
$title = $doc->createElement('title');
$title = $root->appendChild($title);
$text = $doc->createTextNode('This is the title');
$text = $title->appendChild($text);
echo "Saving all the document:\n";
echo $doc->saveXML() . "\n";
echo "Saving only the title part:\n";
echo $doc->saveXML($title);
?>
The above example will output:
Saving all the document:
<?xml version="1.0"?>
<book>
<title>This is the title</title>
</book>
Saving only the title part:
<title>This is the title</title>
See Also
- DOMDocument::save
- DOMDocument::load
- DOMDocument::loadXML