if not symfony code example

Example 1: if else twig

{% if product.stock > 10 %}
   Available
{% elseif product.stock > 0 %}
   Only {{ product.stock }} left!
{% else %}
   Sold-out!
{% endif %}

Example 2: twig if

{% if not user.subscribed %}
    <p>You are not subscribed to our mailing list.</p>
{% endif %}