PHP_XML_OPTION_CASE_FOLDING  340 xml/xml.c      	REGISTER_LONG_CONSTANT("XML_OPTION_CASE_FOLDING", PHP_XML_OPTION_CASE_FOLDING, CONST_CS|CONST_PERSISTENT);
PHP_XML_OPTION_CASE_FOLDING 1618 xml/xml.c      		case PHP_XML_OPTION_CASE_FOLDING:
PHP_XML_OPTION_CASE_FOLDING 1664 xml/xml.c      		case PHP_XML_OPTION_CASE_FOLDING: