vendor/twig/twig/doc/tests/iterable.rst

   1 ``iterable``
   2 ============
   3
   4 .. versionadded:: 1.7
   5     The iterable test was added in Twig 1.7.
   6
   7 ``iterable`` checks if a variable is an array or a traversable object:
   8
   9 .. code-block:: jinja
  10
  11     {# evaluates to true if the foo variable is iterable #}
  12     {% if users is iterable %}
  13         {% for user in users %}
  14             Hello {{ user }}!
  15         {% endfor %}
  16     {% else %}
  17         {# users is probably a string #}
  18         Hello {{ users }}!
  19     {% endif %}