private function getHashOption($key) {
        $option = $this->hasOption($key) ? $this->getOption($key) : [];
        if (!is_array($option)) {
            throw new \common_exception_InconsistentData($key.' is not an array');
        }
        return $option;
    }
private function getHashOption($key) {
        $option = $this->hasOption($key) ? $this->getOption($key) : [];
        if (!is_array($option)) {
            throw new \common_exception_InconsistentData($key.' is not an array');
        }
        return $option;
    }
private function getHashOption ( $ key ) { $ option = $ this -> hasOption ( $ key ) ? $ this -> getOption ( $ key ) : [ ] ; if ( ! is_array ( $ option ) ) { throw new \ common_exception_InconsistentData ( $ key . ' is not an array' ) ; } return $ option ; }
Retroieve an option and ensure it is an array

@param string $key
@throws \common_exception_InconsistentData
@return array
Retroieve an option and ensure it is an array