Render twig HTML string with twig-variable

Question

I have some html buttons I want to render with twig. This is the HTML:

<a href="/Worklog/editWorklog?worklogid={{worklog.id}}&customerid={{worklog.customerid}}"><button class="btn btn-primary">Edit worklog</button></a>

I created a method in php to return the HTML string above which I pass in with twig like this:

{{ html.editWorklogButton|raw }}

But when the button is rendered with raw it also renders {{ worklog.id }} and {{ worklog.customerid }} raw of course, losing the id's, giving me href to:

localhost/Worklog/editWorklog?worklogid={{worklog.id}}&customerid={{worklog.customerid}}

which instead should be something like:

localhost/Worklog/editWorklog?worklogid=1&customerid=2

I've checked twig documentation, but can't find anything on this. Is this simply not possible to do?

Yep thx, have doublechecked this, the values in {{ worklog }} is correct, because if I use only the html showed above, the href outputs then with the correct worklogID and customerID using {{ worklog.id }} and {{ worklog.customerid }}. So either this is not possible or I'm missing something. — Lurifax
– Lurifax, Commented Apr 4, 2021 at 7:22
I think it may be because you are outputting this value dynamically. So what you output it as html.editWorklogButton|raw - it will not interpret any of the values (you are saying you want it as is with the raw bit). — Nigel Ren
– Nigel Ren, Commented Apr 4, 2021 at 7:25
I believe you have a non-standard use-case. there's no built-in directive to render a twig string within a twig template, since it can't be considered safe, especially not with the surrounding context. this would suggest, that the template comes from the user (which would be unsafe). — Jakumi
– Jakumi, Commented Apr 4, 2021 at 7:26
This might help (but I'm a bit unfamiliar with Twig so not 100% sure). — Jeto
– Jeto, Commented Apr 4, 2021 at 7:33

Jeto · Accepted Answer · 2021-04-04 22:37:09Z

2

You may use the template_from_string extension.

The template_from_string function loads a template from a string.

In your case, it should be something like this:

{{ include(template_from_string(html.editWorklogButton)) }}

edited Apr 4, 2021 at 22:37

answered Apr 4, 2021 at 7:42

Jeto

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