DOMDocument::validate
(PHP 5, PHP 7)
DOMDocument::validate — Validates the document based on its DTD
说明
public
DOMDocument::validate (
void ) :
bool
Validates the document based on its DTD.
You can also use the validateOnParse property of DOMDocument to make a DTD validation.
返回值
成功时返回 TRUE
, 或者在失败时返回 FALSE
。 If the document has no DTD attached, this method will return FALSE
.
范例
Example #1 Example of DTD validation
<?php
$dom = new DOMDocument;
$dom->load('book.xml');
if ($dom->validate()) {
echo "This document is valid!\n";
}
?>
You can also validate your XML file while loading it:
<?php
$dom = new DOMDocument;
$dom->validateOnParse = true;
$dom->load('book.xml');
?>
参见
- DOMDocument::schemaValidate() - Validates a document based on a schema
- DOMDocument::schemaValidateSource() - Validates a document based on a schema
- DOMDocument::relaxNGValidate() - Performs relaxNG validation on the document
- DOMDocument::relaxNGValidateSource() - Performs relaxNG validation on the document