It returns XML parser error code

Example

<?php

$xmlparser = xml_parser_create();

$fp = fopen(‘test.xml’, ‘r’);

while ($xmldata = fread($fp, 4096)){

 if (!xml_parse($xmlparser,$xmldata,feof($fp)))

echo xml_error_string(xml_get_error_code($xmlparser));

}

xml_parser_free($xmlparser);

?>