Method: This callback handles pre delete question actions.
Action Hook: Action triggered before deleting a question form database.
Method: Update user meta of vote
Method: Flush rewrite rule if base page is updated.
Method: Allowed CSS attributes for post_content
Method: Sanitize post description
Method: Filter post so that anonymous author should not be replaced by current user approving post.
Method: Check if flushing rewrite rule is needed
Method: Add current-menu-item class in AnsPress pages
Method: Used to create an action when comment get approved.