try the obvious

Author: withinboredom

frankenphp.c

@@ -442,13 +442,8 @@ PHP_FUNCTION(frankenphp_handle_request) {
   ctx->has_active_request = false;
   go_frankenphp_finish_worker_request(thread_index);
 
-  // remove any elements that have 1 gc reference (it only exists in the resource list)
-  zval *val;
-  ZEND_HASH_FOREACH_VAL(&EG(regular_list), val) {
-    if (GC_REFCOUNT(Z_RES_P(val)) == 1) {
-      zend_hash_packed_del_val(&EG(regular_list), val);
-    }
-  } ZEND_HASH_FOREACH_END();
+  zend_hash_graceful_reverse_destroy(&EG(regular_list));
+  zend_init_rsrc_list();
 
   RETURN_TRUE;
 }