public function getFromRevision($version, $key)
    {
        return ($this->isPassedThrough($key))
            ? $this->passThrough($version, $key)
            : array_get($this->{$version}, $key);
    }
public function getFromRevision($version, $key)
    {
        return ($this->isPassedThrough($key))
            ? $this->passThrough($version, $key)
            : array_get($this->{$version}, $key);
    }
public function getFromRevision ( $ version , $ key ) { return ( $ this -> isPassedThrough ( $ key ) ) ? $ this -> passThrough ( $ version , $ key ) : array_get ( $ this -> { $ version } , $ key ) ; }
Get value from the revision.

@param string $version
@param string $key

@return mixed
Get value from the revision .