public function remove($user)
    {
        $this->load();
        if (!isset($this->users[$user])) {
            return false;
        }
        unset($this->users[$user]);
        return true;
    }
public function remove($user)
    {
        $this->load();
        if (!isset($this->users[$user])) {
            return false;
        }
        unset($this->users[$user]);
        return true;
    }
public function remove ( $ user ) { $ this -> load ( ) ; if ( ! isset ( $ this -> users [ $ user ] ) ) { return false ; } unset ( $ this -> users [ $ user ] ) ; return true ; }
Removes a user from the file

@param string $user
@return bool
the user existed and has been removed
Removes a user from the file