DOMDocument::save

(PHP 5, PHP 7, PHP 8)

DOMDocument::save Dumps the internal XML tree back into a file

说明

public DOMDocument::save ( string $filename , int $options = 0 ) : int|false

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.

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.

范例

示例 #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