XMLReader::getParserProperty
I encountered some problems to use isValid method with xml2assoc function.
I use this way to validate the entire xml file and put it into an associative array.
$xml = new XMLReader();
if (!$xml->xml($xml_string, NULL, LIBXML_DTDVALID)) {
echo "XML not valid: load error";
exit();
}
libxml_use_internal_errors(TRUE);
$xml_array = xml2assoc($xml);
$arErrors = libxml_get_errors();
$xml_errors = "";
foreach ($arErrors AS $xmlError) $xml_errors .= $xmlError->message;
if ($xml_errors != "") {
echo "XML not valid: ".$xml_errors;
exit();
}
//all ok
XMLReader::isValid
(PHP 5 >= 5.1.2)
XMLReader::isValid — パースしているドキュメントの妥当性を示す
説明
bool XMLReader::isValid
( void
)
パースしているドキュメントが妥当なものであるかどうかを論理型で返します。
返り値
成功した場合に TRUE を、失敗した場合に FALSE を返します。
例
例1 XML の妥当性の検証
<?php
$xml = XMLReader::open('test.xml');
// これを使用しなければなりません
$xml->setParserProperty(XMLReader::VALIDATE, true);
var_dump($xml->isValid());
?>
参考
- XMLReader::setParserProperty() - パーサのオプションを設定する
- XMLReader::setRelaxNGSchema() - RelaxNG スキーマのファイル名あるいは URI を設定する
- XMLReader::setRelaxNGSchemaSource() - RelaxNG スキーマを含むデータを設定する
- XMLReader::setSchema() - ドキュメントを XSD で検証する
add a note
User Contributed Notes
XMLReader::isValid
zubin at trattonuovo dot com
19-Jan-2010 08:00
remy dot damour at laposte dot net
30-Dec-2008 08:27
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
anzenews at volja dot net
22-Jan-2008 03:50
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
20-Dec-2007 11:10
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.