XMLReader::getParserProperty
1. If you validate against relax-ng, no need to call $xml->setParserProperty(XMLReader::VALIDATE, true);
2. Be aware that $xml->isValid() will return validity for currently active node (ie. node currently positioned using $xml->read()). It won't check validity of your entire tree at once, but rather on a step by step basis
XMLReader::isValid
(PHP 5 >= 5.1.2)
XMLReader::isValid — Indicates if the parsed document is valid
Descrierea
bool XMLReader::isValid
( void
)
Returns a boolean indicating if the document being parsed is currently valid.
Valorile întroarse
Întoarce valoarea TRUE în cazul succesului sau FALSE în cazul eşecului.
Exemple
Example #1 Validating XML
<?php
$xml = XMLReader::open('test.xml');
// You must to use it
$xml->setParserProperty(XMLReader::VALIDATE, true);
var_dump($xml->isValid());
?>
Vedeţi de asemenea
- XMLReader::setParserProperty - Set or Unset parser options
- XMLReader::setRelaxNGSchema - Set the filename or URI for a RelaxNG Schema
- XMLReader::setRelaxNGSchemaSource - Set the data containing a RelaxNG Schema
add a note
User Contributed NotesXMLReader::isValid
remy dot damour at laposte dot net
31-Dec-2008 11:27
31-Dec-2008 11:27
anzenews at volja dot net
22-Jan-2008 06:50
22-Jan-2008 06:50
This comment is only partially correct:
"isValid() always returns false unless you enable checking for validity by $reader->setParserProperty(XMLReader::VALIDATE, true);"
This enables DTD checking, but you can also check by using RelaxNG (see setRelaxNGSchema() and setRelaxNGSchemaSource()).
And also, this is NOT correct:
"If you just need to check if XML file is well formed, successful loading into XMLReader object is usually enough."
It is not enough. Pull parsers operate on stream and if you have a large enough file they will not know it is well formed until it is read to the end. If you need to know if it is well formed or/and valid, read it till the end or validation error (you can use next() for fast reading if you don't care about contents).
patryk dot szczyglowski at gmail dot com
21-Dec-2007 02:10
21-Dec-2007 02:10
isValid() always returns false unless you enable checking for validity by:
$reader->setParserProperty(XMLReader::VALIDATE, true);
where $reader is XMLReader object.
Beware, once you enable this check, PHP will search for DTD file and possibly produce warnings.
If you just need to check if XML file is well formed, successful loading into XMLReader object is usually enough.