Remove the mapping between an RDF datatype and a PHP class name
string $datatype The RDF datatype (e.g. xsd:dateTime):
public static function deleteDatatypeMapping($datatype) {
if (!is_string($datatype) or $datatype == null or $datatype == '') {
throw new InvalidArgumentException("\$datatype should be a string and cannot be null or empty");
}
$datatype = EasyRdf_Namespace::expand($datatype);
if (isset(self::$datatypeMap[$datatype])) {
$class = self::$datatypeMap[$datatype];
unset(self::$datatypeMap[$datatype]);
unset(self::$classMap[$class]);
}
}