Function: Pre fetch users and update cache.
Function: Activity type to human readable title.
Function: Return canonical URL of current page.
Function: Return or echo user display name.
Function: Return Link to user pages.
Function: Send properly formatted AnsPress json string.
Function: Check if object is profile menu item.
Function: Get the IDs of answer by question ID.
Function: Whitelist array items.
Function: Read env file of AnsPress.