(PHP 5, PHP 7, PHP 8)
DOMDocument::saveXML — Dumps the internal XML tree back into a string
Creates an XML document from the DOM representation. This function is usually called after building a new dom document from scratch as in the example below.
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.
Returns the XML, or false
if an error occurred.
Version | Description |
---|---|
8.3.0 | LIBXML_NOXMLDECL is now supported. |
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>