Php/docs/xmlreader.isvalid

• PHP Manual
• XMLReader
• Indicates if the parsed document is valid

XMLReader::isValid

(PHP 5 >= 5.1.0, PHP 7)

XMLReader::isValid — Indicates if the parsed document is valid

说明

public XMLReader::isValid ( ) : bool

Returns a boolean indicating if the document being parsed is currently valid.

返回值

成功时返回 true， 或者在失败时返回 false。

范例

Example #1 Validating XML

<?php$xml = XMLReader::open('test.xml');// The validate parser option must be enabled for // this method to work properly$xml->setParserProperty(XMLReader::VALIDATE, true);var_dump($xml->isValid());?>

注释

Note:

This checks the current node, not the entire document.

参见

• XMLReader::setParserProperty() - Set parser options
• XMLReader::setRelaxNGSchema() - Set the filename or URI for a RelaxNG Schema
• XMLReader::setRelaxNGSchemaSource() - Set the data containing a RelaxNG Schema
• XMLReader::setSchema() - Validate document against XSD