Limit argument processing and add error handling

Introduce an upper limit of 16 for argument processing to prevent potential issues during execution. Added error handling to manage cases where adding a parameter to the array fails, ensuring a more robust execution of the function.

rayaop.c

@@ -214,12 +214,16 @@ static void rayaop_execute_ex(zend_execute_data *execute_data) {
     uint32_t arg_count = ZEND_CALL_NUM_ARGS(execute_data);
     if (arg_count > 0 && !EG(exception)) {
         zval *args = ZEND_CALL_ARG(execute_data, 1);
-        if (args && !EG(exception)) {
-            for (uint32_t i = 0; i < arg_count; i++) {
+        if (args) {
+            for (uint32_t i = 0; i < arg_count && i < 16; i++) {  // 上限を設定
                 zval *arg = &args[i];
                 if (!Z_ISUNDEF_P(arg)) {
                     Z_TRY_ADDREF_P(arg);
-                    add_next_index_zval(&params[2], arg);
+                    if (add_next_index_zval(&params[2], arg) != SUCCESS) {
+                        // エラー処理を追加
+                        php_rayaop_handle_error(RAYAOP_E_INVALID_STATE, "Failed to add parameter to array");
+                        break;
+                    }
                 }
             }
         }