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Lang Helpers

The package exposes three global helpers.

current_lang()

function current_lang(): ?string

Returns the current language string from the shared Lang instance.

Use it when you need the language code for routing, view logic, or response metadata.

t()

function t(string $key, $params = null): ?string

Returns the translated string for a key.

$title = t('custom.test');
$message = t('custom.info', ['new']);

Behavior:

  • reads from the shared language service used by the current app container
  • returns the key unchanged when no translation exists
  • applies placeholder substitution when $params is provided

$params can be a string or an array.

_t()

function _t(string $key, $params = null): void

Echoes the result of t() directly.

_t('custom.test');

This is mainly convenient in views when you want immediate output instead of assigning a variable first.

Helper caveats

  • The helpers do not load translations by themselves. They rely on the shared Lang instance already being loaded, which normally happens during web app bootstrap when multilingual support is enabled.
  • If translations were not loaded yet, lookups fall back to the key string.
  • Helpers use the same shared language instance across the request/container lifecycle, so manual runtime changes to that instance affect later helper calls.