extra check for existance of classname #77

1 files changed, 1 insertions, 1 deletions

diff --git a/zend/callable.h b/zend/callable.h
index 9d7e69b..9958a2a 100644
--- a/zend/callable.h
+++ b/zend/callable.h
@@ -177,7 +177,7 @@ protected:
 
         // this parameter is a regular type
         info->class_name = arg.type() == Type::Object ? arg.classname() : nullptr;
-        info->class_name_len = arg.type() == Type::Object ? ::strlen(arg.classname()) : 0;
+        info->class_name_len = arg.type() == Type::Object && arg.classname() ? ::strlen(arg.classname()) : 0;
         info->allow_null = arg.allowNull();
         info->pass_by_reference = arg.byReference();
     }