It might be a similar issue as it is in http://support.advancedcustomfields.com/forums/topic/get_field-cant-retrieve-new-post-saved-with-update_field-in-acf-4-1-8/ as the field_key is “temp_key_for_some_json”.
How can I achieve that the Key is “some_json” and not “temp_key_for_some_json”? I have created the field “some_json” through PHP and not the GUI.
