public function isOptional()
    {
        $min = (int) $this->getConfigurationValue('repeat_min');
        $max = (int) $this->getConfigurationValue('repeat_max');

        return $min === 0 && $max > 0;
    }
public function isOptional()
    {
        $min = (int) $this->getConfigurationValue('repeat_min');
        $max = (int) $this->getConfigurationValue('repeat_max');

        return $min === 0 && $max > 0;
    }
public function isOptional ( ) { $ min = ( int ) $ this -> getConfigurationValue ( 'repeat_min' ) ; $ max = ( int ) $ this -> getConfigurationValue ( 'repeat_max' ) ; return $ min === 0 && $ max > 0 ; }
Is this field repeatable?

@return bool
Is this field repeatable?