DOMDocument->validate()

Validates the document based on its DTD ()

DOMDocument {
  bool validate();
}

Validates the document based on its DTD.

You can also use the validateOnParse property of DOMDocument to make a DTD validation.

返回值

如果成功则返回 TRUE,失败则返回 FALSE。 If the document have no DTD attached, this method will return FALSE.

范例

例 476. 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');
?>