Merge branch 'PHP-8.3'

Author: devnexen

ext/intl/dateformat/dateformat_create.cpp

@@ -112,7 +112,7 @@ static zend_result datefmt_ctor(INTERNAL_FUNCTION_PARAMETERS, zend_error_handlin
 	}
 	locale = Locale::createFromName(locale_str);
 	/* get*Name accessors being set does not preclude being bogus */
-	if (locale.isBogus() || strlen(locale.getISO3Language()) == 0) {
+	if (locale.isBogus() || ((locale_len == 1 && locale_str[0] != 'C') || (locale_len > 1 && strlen(locale.getISO3Language()) == 0))) {
         zend_argument_value_error(1, "\"%s\" is invalid", locale_str);
 		return FAILURE;
 	}