When you customize the post title, it's best to not select a field to set it. This function will set the title instead of using the settings.

Note: The fields you combine will not be automatically updated if your post field is changed from the WordPress posts page.

Use this code to limit the maximum number of characters accepted in a field.

Use this code to make all userID fields appear as dropdowns on the front-end for admin only. The userID field will still automatically insert the currently logged-in user's ID unless admin is filling out the form.