XSD_IDREF 209 ext/soap/php_encoding.c {{XSD_IDREF, XSD_IDREF_STRING, XSD_NAMESPACE, NULL}, to_zval_stringc, to_xml_string}, XSD_IDREF 721 ext/soap/soap.c REGISTER_LONG_CONSTANT("XSD_IDREF", XSD_IDREF, CONST_CS | CONST_PERSISTENT);