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# DOMDocument->save()

DOMDocument->save() -- Dumps the internal XML tree back into a file

## Descrição

class DOMDocument {
mixed save ( string filename )
}

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.

## Lista de parâmetros

filename

  The path to the saved XML document.

## Valores Retornados

Returns the number of bytes written or `FALSE` if an error occurred.

## Exemplos

Exemplo 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 ?>`

## Veja também

DOMDocument->saveXML()
DOMDocument->load()
DOMDocument->loadXML()

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DOMDocument->relaxNGValidateSource() | Acima | DOMDocument->saveHTML()