Hi. You must use the 'length' filter:
{{ entry|length }}
That must do the trick.
2011/4/13 David Buchmann <david.buchm...@liip.ch>
> hi,
> for a symfony2 project, i use twig. i have a template that outputs a
> tree (nested php array)
>
> what i try to do is: check if there is a 'children' field on the entry,
> then if the children list contains at least one entry. (i have 3 cases:
> an entry has children, it has no children (empty array) or we do not
> know if there where children because we did not look). my current code
> is this (and it fails on the first line. the next line is not good
> either, because there is no count() in twig.)
>
> {% if entry.children %}
> {% if count(entry.children) %}
> children
> {% else %}
> nochildren
> {% endif %}
> {% endif %}
>
>
> http://www.twig-project.org/doc/templates.html#variables
> this claims that entry.children would return null if the entry has no
> children field, but i get Item "children" for "Array" does not exist
>
> 1. how to check whether an array field is defined?
> 2. how to check whether a variable is a non-empty array?
>
> cheers,
> david
>
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