if($modx->context->get('key') != "mgr"){
    switch ($modx->getOption('http_host')) {
        case 'sousdom.hebergeur.net':
            if(substr($_SERVER['REQUEST_URI'], 0, 18) == '/MODX_MULTI/siteB/'){
                $modx->switchContext('siteB');
                $modx->setOption('cultureKey', 'fr');
                setlocale(LC_ALL, 'fr_FR.UTF-8');
                break;
            }
            if(substr($_SERVER['REQUEST_URI'], 0, 18) == '/MODX_MULTI/siteC/'){
                $modx->switchContext('siteC');
                $modx->setOption('cultureKey', 'fr');
                setlocale(LC_ALL, 'fr_FR.UTF-8');
                break;
            }
            if(substr($_SERVER['REQUEST_URI'], 0, 18) == '/MODX_MULTI/siteD/'){
                $modx->switchContext('siteD');
                $modx->setOption('cultureKey', 'fr');
                setlocale(LC_ALL, 'fr_FR.UTF-8');
                break;
            }
            else{
                // Par défaut le context A
                $modx->switchContext('web');
                $modx->setOption('cultureKey', 'fr');
                setlocale(LC_ALL, 'fr_FR.UTF-8');
                break;
            }
    } 
}