public function getPostItem($key)
    {
        return isset($this->post[$key]) ? $this->post[$key] : null;
    }
public function getPostItem($key)
    {
        return isset($this->post[$key]) ? $this->post[$key] : null;
    }
public function getPostItem ( $ key ) { return isset ( $ this -> post [ $ key ] ) ? $ this -> post [ $ key ] : null ; }
Get a single post by index from the post array.
@param mixed $key.
Get a single post by index from the post array .