XMLReader::getParserProperty
XMLReader::lookupNamespace
XMLReader
PHP Manual

# XMLReader::isValid

(PHP 5 >= 5.1.0)

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

### Description

public bool XMLReader::isValid ( void )

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

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### Examples

Example #1 Validating XML

`<?php
$xml = XMLReader::open('test.xml');
// You must to use it
$xml->setParserProperty(XMLReader::VALIDATE, true);
var_dump($xml->isValid());
?>`

### See Also

- 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

XMLReader::getParserProperty
XMLReader::lookupNamespace
XMLReader
PHP Manual