REGISTER_CURL_CONSTANT(CURLOPT_TLS13_CIPHERS);
#endif
+#if LIBCURL_VERSION_NUM >= 0x074000 /* Available since 7.64.0 */
+ REGISTER_CURL_CONSTANT(CURLOPT_HTTP09_ALLOWED);
+#endif
+
#if LIBCURL_VERSION_NUM >= 0x074001 /* Available since 7.64.1 */
REGISTER_CURL_CONSTANT(CURL_VERSION_ALTSVC);
#endif
#endif
#if LIBCURL_VERSION_NUM >= 0x073d00 /* Available since 7.61.0 */
case CURLOPT_DISALLOW_USERNAME_IN_URL:
+#endif
+#if LIBCURL_VERSION_NUM >= 0x074000 /* Available since 7.64.0 */
+ case CURLOPT_HTTP09_ALLOWED:
#endif
lval = zval_get_long(zvalue);
#if LIBCURL_VERSION_NUM >= 0x071304