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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

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