Getitng a Twig Lang value dynamically

Question

I have a question about how I can pull a deep nested translation value from Twig dynamically.

Here is the setup:

I have my translations files in yml format (en.yml), here is an example:

parent:   
   child:
    something: here is some test
    another: more text here

I then have an array passed to Twig:

array(2) {
    [0]=>
    array(2) {
    ["name"]=>
    string(2) "GS"
    ["folders"]=>
    array(1) {
        [0]=>
        array(1) {
        ["name"]=>
        string(3) "something"
        }
    }
    [1]=>
    array(2) {
    ["name"]=>
    string(1) "I"
    ["folders"]=>
    array(2) {
        [0]=>
        array(3) {
        ["name"]=>
        string(2) "another"
        }
    }

In twig, I want to print the folder names to screen, e.g.

here is some test

It would be easy if the lang file had everything in its root, I could use:

{{ array.folders.name|trans }}

However as this is a nested value in the lang file I somehow need to say:

{{'parent.child'.array.folders.name|trans }}

Any help would be very much appricated.

Answer 1

Simply first concatenate the string, then pass the value to the translator filter as follow:

{{ ('parent.child.' ~ array.folders.name)|trans }}

Hope this help