DOMDocument::save
(PHP 5, PHP 7)
DOMDocument::save — Dumps the internal XML tree back into a file
说明
public DOMDocument::save
( string
$filename
[, int $options = 0
] ) : intCreates 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.
参数
-
filename -
The path to the saved XML document.
-
options -
Additional Options. Currently only LIBXML_NOEMPTYTAG is supported.
返回值
Returns the number of bytes written or FALSE if an error occurred.
更新日志
| 版本 | 说明 |
|---|---|
| 5.1.0 |
Added the options parameter
|
范例
Example #1 Saving a DOM tree into a file
<?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 'Wrote: ' . $doc->save("/tmp/test.xml") . ' bytes'; // Wrote: 72 bytes
?>
参见
- DOMDocument::saveXML() - Dumps the internal XML tree back into a string
- DOMDocument::load() - Load XML from a file
- DOMDocument::loadXML() - Load XML from a string