Check if variable is string or array in Twig

Question

Is it possible to check if given variable is string in Twig ?

Expected solution:

messages.en.yml:

hello:
  stranger         


        

Answer 1

Ok, I did it with:

{% if title[0] is not defined %}
    {{ title|trans }}
{% else %}
    {{ title[0]|trans(title[1]) }}
{% endif %}

Ugly, but works.