public function removeAll()
    {
        $this->open();
        $data = $this->data;
        foreach (array_keys($data) as $key) {
            unset($data[$key]);
        }
        $this->data = $data;
        return $this->writeSession();
    }
public function removeAll()
    {
        $this->open();
        $data = $this->data;
        foreach (array_keys($data) as $key) {
            unset($data[$key]);
        }
        $this->data = $data;
        return $this->writeSession();
    }
public function removeAll ( ) { $ this -> open ( ) ; $ data = $ this -> data ; foreach ( array_keys ( $ data ) as $ key ) { unset ( $ data [ $ key ] ) ; } $ this -> data = $ data ; return $ this -> writeSession ( ) ; }
Removes all session variables.
@return PromiseInterface with bool when write process ends
Removes all session variables .