public function getProductionFingerprint($group)
    {
        return isset($this->fingerprints[$group]) ? $this->fingerprints[$group] : null;
    }
public function getProductionFingerprint($group)
    {
        return isset($this->fingerprints[$group]) ? $this->fingerprints[$group] : null;
    }
public function getProductionFingerprint ( $ group ) { return isset ( $ this -> fingerprints [ $ group ] ) ? $ this -> fingerprints [ $ group ] : null ; }
Get the entry fingerprint.

@param  string  $group
@return string|null
Get the entry fingerprint .