app/Translation/MessageSelector.php
<?php
namespace BookStack\Translation;
use Illuminate\Translation\MessageSelector as BaseClass;
/**
* This is a customization of the default Laravel MessageSelector class to tweak pluralization,
* so that is uses just the first part of the locale string to provide support with
* non-standard locales such as "de_informal".
*/
class MessageSelector extends BaseClass
{
public function getPluralIndex($locale, $number)
{
$locale = explode('_', $locale)[0];
return parent::getPluralIndex($locale, $number);
}
}