XMLReader::isValid
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
Indicates if the parsed document is valid
Description
Returns a boolean indicating if the document being parsed is currently valid according to the DTD, or an XML or RelaxNG schema. If there is no schema, and the DTD validation option is not provided, this method will return false.
Parameters Parameters
Return Values
Returns true when the document is valid or false otherwise.
Examples
Validating XML
<?php
$xml = XMLReader::open('examples/book-simple.xml');
// The validate parser option must be enabled for
// this method to work properly
$xml->setParserProperty(XMLReader::VALIDATE, true);
var_dump($xml->isValid());
?>Notes
This checks the current node, not the entire document.
See Also
XMLReader::setParserPropertyXMLReader::setRelaxNGSchemaXMLReader::setRelaxNGSchemaSourceXMLReader::setSchema