public function getCurrentKey()
    {
        if (!$this->currentKey) {
            $this->currentKey = $this->getStrategy()->strategy();
        }

        return $this->currentKey;
    }
public function getCurrentKey()
    {
        if (!$this->currentKey) {
            $this->currentKey = $this->getStrategy()->strategy();
        }

        return $this->currentKey;
    }
public function getCurrentKey ( ) { if ( ! $ this -> currentKey ) { $ this -> currentKey = $ this -> getStrategy ( ) -> strategy ( ) ; } return $ this -> currentKey ; }
Get current key

@return string
Get current key