What does “{% %}” syntax mean?

Question

I'm using someones PHP file. And it has text like:

<html>
... regular HTML
{% if (some condition){       
    <another regular html tag>
    </another regular html tag>
}%}
</html>

And I don't get it if these {% tags %} are javascript or PHP, or something else? thx.

Answer 1

It is some templating language. Most likely a server-side one, ie one that is based on PHP.

Answer 2

Looks like a template to me. The {% and %} is the templating's system of identifying where it has to do its work.

Answer 3

It can think of two reasons: