Use the with
tag to create a new inner scope. Variables set within this scope are not visible outside of the scope:
{% with %} {% set foo = 42 %} {{ foo }} foo is 42 here {% endwith %} foo is not visible here any longer
Instead of defining variables at the beginning of the scope, you can pass a hash of variables you want to define in the with
tag; the previous example is equivalent to the following one:
{% with { foo: 42 } %} {{ foo }} foo is 42 here {% endwith %} foo is not visible here any longer {# it works with any expression that resolves to a hash #} {% set vars = { foo: 42 } %} {% with vars %} ... {% endwith %}
By default, the inner scope has access to the outer scope context; you can disable this behavior by appending the only
keyword:
{% set bar = 'bar' %} {% with { foo: 42 } only %} {# only foo is defined #} {# bar is not defined #} {% endwith %}
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https://twig.sensiolabs.org/doc/2.x/tags/with.html