DOMDocument::validate

(PHP 5, PHP 7)

DOMDocument::validate — Validates the document based on its DTD

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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.

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�ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE�� If the document has no DTD attached, this method will return FALSE.

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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');
?>

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