kosarinin

RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} ^www\.(.*)$ [NC]
RewriteRule ^(.*)$ http://%1/$1 [R=301,L]

a2enmod rewrite
service apache2 restart

<?= DateTimePicker::widget([
    'name' => 'date_from',
    'language' => 'es',
    'size' => 'ms',
    ... other params 
    ]);
?>