DOMDocument::validate
(PHP 5, PHP 7, PHP 8)
DOMDocument::validate — Validates the document based on its DTD
說明
public DOMDocument::validate(): bool
Validates the document based on its DTD.
You can also use the validateOnParse property of
DOMDocument to make a DTD validation.
參數
此函式沒有參數。
返回值
成功時返回 true， 或者在失敗時返回 false。
If the document has no DTD attached, this method will return false.
範例
示例 #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');
?>
參見
- DOMDocument::schemaValidate() - Validates a document based on a schema. Only XML Schema 1.0 is supported.
- 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