Function: Return the ID of selected answer from a question.
Function: Check if current answer is selected as a best
Function: Return post time.
Function: Check if current post is marked as featured
Function: Get terms of a question.
Function: Check if post have terms of a taxonomy.
Function: Check if question or answer have attachemnts.
Function: Get attachment ids of a question or answer.
Function: Return count of net vote of a question.
Function: Echo count of net vote of a question.