DATE_FORMAT_RFC850  500 ext/date/php_date.c 	REGISTER_STRING_CONSTANT("DATE_COOKIE",  DATE_FORMAT_RFC850,  CONST_CS | CONST_PERSISTENT);
DATE_FORMAT_RFC850  503 ext/date/php_date.c 	REGISTER_STRING_CONSTANT("DATE_RFC850",  DATE_FORMAT_RFC850,  CONST_CS | CONST_PERSISTENT);
DATE_FORMAT_RFC850 1503 ext/date/php_date.c 	REGISTER_DATE_CLASS_CONST_STRING("COOKIE",  DATE_FORMAT_RFC850);
DATE_FORMAT_RFC850 1506 ext/date/php_date.c 	REGISTER_DATE_CLASS_CONST_STRING("RFC850",  DATE_FORMAT_RFC850);