Language and Translation Hooks

Hook::add('filter:i18n.translation', 10, function (&$value, $key, $lang) {
    // Every text passes here: sift on the key first.
    if ($key !== 'website/home/title') return;

    $value = Acme::brandedTitle($lang);
});

Hook::add('filter:i18n.translation_save', 10, function (&$values, $id) {
    // A value may be plain text or an array.
    foreach ($values as $k => $v)
        if (is_string($v)) $values[$k] = trim($v);
});

Hook::add('action:i18n.translation_saved', 10, function ($key, $saved) {
    // The list holds what CHANGED, not what was submitted.
    foreach ($saved as $lang) Acme::invalidateCache($lang, $key);
});

Hook::add('action:i18n.bulk_replaced', 10, function ($lang, $word, $replacement, $changed) {
    // The counter holds what changed, not what was selected.
    Acme::auditSweep($lang, $word, $changed);
});

Hook::add('action:language.added', 10, function ($key, $copied_from) {
    // The pack starts full of the source texts: put it in the translation queue.
    Acme::queueTranslation($key, $copied_from);
});

Hook::add('action:language.deleted', 10, function ($key) {
    Acme::dropTranslations($key);
});

Hook::add('action:language.settings_updated', 10, function ($id, $package) {
    Acme::syncLocale($id, $package);
});