Using three variables at same time to specify value in array with Twig

Question

I have two arrays: teachers_number_array which contains the id of teachs and the another array 'teachers' witch contains the data of each teacher.

What I can't do is to show the name of a specific teacher based on its id:

{% for teachers_number in teachers_number_array %}
    {% if teachers_number in teachers|keys %}
        {{ teachers.teachers_number.name }} 
    {% endif %}
{% endfor %}

{{ teachers[teachers_number].name }} or attribute(teachers, teacher_number).name) — DarkBee
– DarkBee, Commented Oct 27, 2017 at 5:37

Tokeeen.com · Accepted Answer · 2017-10-31 06:45:48Z

1

You can do something like this. Note that you can get the key of the array directly in the Twig loop (for id, teacher in teachers):

PHP variables:

$teachers_to_display = [2, 3];
$teachers =  [
    1 => 'Fabien',
    2 => 'COil',
    3 => 'Tokeeen',
    'do not display' => 'Nooooo',
];

Twig:

{% for id, teacher in teachers %}
    {% if id in teachers_to_display %}
        {{ teacher }}
    {% endif %}
{% endfor %}

Will output:

COil
Tokeeen

PS: If you have several properties just use teacher.name like you did before:

$teachers =  [
    1 => [
        'name' => 'Pot',
        'firstname' => 'Fabien',
...

edited Oct 31, 2017 at 6:45

answered Oct 27, 2017 at 7:48

Tokeeen.com

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