I believe Rob indicated that XML() should take strictly a binary string.

diff --git a/ext/xmlreader/php_xmlreader.c b/ext/xmlreader/php_xmlreader.c
index e919f776c39b254df636ff14478c858969046805..8b8f3b847a7884da601c094fd99c7c3586285ef7 100644 (file)
--- a/ext/xmlreader/php_xmlreader.c
+++ b/ext/xmlreader/php_xmlreader.c
@@ -1098,7 +1098,7 @@ PHP_METHOD(xmlreader, XML)
        xmlParserInputBufferPtr inputbfr;
        xmlTextReaderPtr reader = NULL;
 
-       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|s!l", &source, &source_len, &encoding, &encoding_len, &options) == FAILURE) {
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S|s!l", &source, &source_len, &encoding, &encoding_len, &options) == FAILURE) {
                return;
        }