src/Dropbox/Store/SessionPersistentDataStore.php
public function clear($key)
    {
        if (isset($_SESSION[$this->prefix . $key])) {
            unset($_SESSION[$this->prefix . $key]);
        }
    }
public function clear($key)
    {
        if (isset($_SESSION[$this->prefix . $key])) {
            unset($_SESSION[$this->prefix . $key]);
        }
    }
public function clear ( $ key ) { if ( isset ( $ _SESSION [ $ this -> prefix . $ key ] ) ) { unset ( $ _SESSION [ $ this -> prefix . $ key ] ) ; } }
Clear the key from the store

@param $key Data Key

@return void
Clear the key from the store