class has to extend HttpMessage

diff --git a/http_message_object.c b/http_message_object.c
index 31ba73f3241d139fb69dd5b6eee7e8b5888219d0..e6ce0646bfdaedafa0ec05ac8cf997bef396efb7 100644 (file)
--- a/http_message_object.c
+++ b/http_message_object.c
@@ -600,6 +600,10 @@ PHP_METHOD(HttpMessage, fromString)
                        
                        if (class_name && *class_name) {
                                ce = zend_fetch_class(class_name, class_length, ZEND_FETCH_CLASS_DEFAULT TSRMLS_CC);
+                               if (ce && !instanceof_function(ce, http_request_object_ce TSRMLS_CC)) {
+                                       http_error_ex(HE_WARNING, HTTP_E_RUNTIME, "Class %s does not extend HttpMessage", class_name);
+                                       ce = NULL;
+                               }
                        }
                        if (ce) {
                                ZVAL_OBJVAL(return_value, http_message_object_new_ex(ce, msg, NULL));