(PHP 5, PHP 7)
DOMImplementation::createDocument — Creates a DOMDocument object of the specified type with its document element
$namespaceURI = NULL
[, string $qualifiedName = NULL
[, DOMDocumentType $doctype = NULL
]]] ) : DOMDocumentCreates a DOMDocument object of the specified type with its document element.
namespaceURIThe namespace URI of the document element to create.
qualifiedNameThe qualified name of the document element to create.
doctype
The type of document to create or NULL.
A new DOMDocument object. If
namespaceURI, qualifiedName,
and doctype are null, the returned
DOMDocument is empty with no document element
DOM_WRONG_DOCUMENT_ERR
Raised if doctype has already been used with a
different document or was created from a different implementation.
DOM_NAMESPACE_ERR
Raised if there is an error with the namespace, as determined by
namespaceURI and qualifiedName.
此方法可以被静态调用,但会抛出一个 E_STRICT 错误。
I just recently got an error, having to do with deprecation, by using the type of calls in the other example listed here. What I had to do instead looks like this...
$htmldoc = (new DOMImplementation)->createDocument(null, 'html', (new DOMImplementation)->createDocumentType("html"));
This creates a document with <!DOCTYPE html> at the top of it.
To add on to the other example, here's how to create an XHTML 1.0 transitional document with head, title, and body elements.
<?php
$document = DOMImplementation::createDocument(null, 'html',
DOMImplementation::createDocumentType("html",
"-//W3C//DTD XHTML 1.0 Transitional//EN",
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"));
$document->formatOutput = true;
$html = $document->documentElement;
$head = $document->createElement('head');
$title = $document->createElement('title');
$text = $document->createTextNode('Title of Page');
$body = $document->createElement('body');
$title->appendChild($text);
$head->appendChild($title);
$html->appendChild($head);
$html->appendChild($body);
echo $document->saveXML();
?>
This outputs: (http links removed due to spam)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "doctype.dtd">
<html xmlns="w3org1999xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; CHARSET=gb2312" />
<title>Title of Page</title>
</head>
<body></body>
</html>
Note the saveXML function. If saveHTML was used instead, you get the output:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "doctype.dtd">
<html>
<head><title>Title of Page</title></head>
<body></body>
</html>
To create HTML document with doctype:
<?php
$doctype = DOMImplementation::createDocumentType("html",
"-//W3C//DTD HTML 4.01//EN",
"http://www.w3.org/TR/html4/strict.dtd");
$doc = DOMImplementation::createDocument(null, 'html', $doctype);
?>