protected createValueFromInput ( string | eZ\Publish\Core\FieldType\ISBN\Value $inputValue ) : eZ\Publish\Core\FieldType\ISBN\Value | ||
$inputValue | string | eZ\Publish\Core\FieldType\ISBN\Value | |
return | eZ\Publish\Core\FieldType\ISBN\Value | The potentially converted and structurally plausible value. |