use FormatPHP\FormatPHP;
use FormatPHP\Intl\Locale;
use FormatPHP\MessageLoader;
use FormatPHP\Reader\Format\Smartling as SmartlingFormatReader;

$userLocale = new Locale('fr-CA');
$defaultLocale = new Locale('en');
$config = new Config($userLocale, $defaultLocale);

$loader = new MessageLoader('/path/to/locales', $config, new SmartlingFormatReader());

$frenchMessages = $loader->loadMessages();

// We can then use the messages with FormatPHP.
$formatphp = new FormatPHP($config, $frenchMessages);

echo $formatphp->formatMessage([
    'id' => 'some.identifier',
    'defaultMessage' => 'A default message that gets used if some.identifier does not exist.',
]);