src/Data.php
public function getKey()
    {
        if (!$this->key) {
            $this->key = sha1($this->ip.$this->route);
        }

        return $this->key;
    }
public function getKey()
    {
        if (!$this->key) {
            $this->key = sha1($this->ip.$this->route);
        }

        return $this->key;
    }
public function getKey ( ) { if ( ! $ this -> key ) { $ this -> key = sha1 ( $ this -> ip . $ this -> route ) ; } return $ this -> key ; }
Get the unique key.

This key is used to identify the data between requests.

@return string
Get the unique key .