Method: Add anspress classes to body.
Function: Generate edit question form, this is a wrapper of ap_answer_form().
Filter Hook: Can be used to modify `$args` before updating answer
Filter Hook: Can be used to modify args before inserting answer.
Method: Register question CPT.
Method: Check if current field have any error
Filter Hook: FILTER: ap_pre_form_fields Provide filter to add or override form fields before output.
Method: Output form
Method: Ajax callback for loading comments.
Method: Initialize the class