Function: Return or echo user display name.
Filter Hook: Filter AnsPress user display name.
Function: Return Link to user pages.
Filter Hook: No description
Function: Return canonical URL of current page.
Function: Send properly formatted AnsPress json string.
Function: Check if object is profile menu item.
Function: Whitelist array items.
Function: Append table name in $wpdb.
Function: Check if $_REQUEST var exists and get value. If not return default.