Tests

• On this Page

  • instance of
  • missing

The following tests are available to Twig templates in Craft:

Test	Description
constant	Whether a variable is the same as a PHP constant value.
defined	Whether a variable is defined.
divisible by	Whether a number is divisible by another number.
empty	Whether a variable is empty.
even	Whether a number is even.
instance of	Whether an object is an instance of a namespace or parent class.
iterable	Whether a variable is an array or a traversable object.
missing	Whether an object is missing its expected class.
null	Whether a variable is null.
odd	Whether a number is odd.
same as	Whether a variable is the same as another.

instance of

Returns whether an object is an instance of another object or class.

{% if element is instance of('craft\\elements\\Entry') %}
    <h1>{{ entry.title }}</h1>
{% endif %}

missing

Returns whether a given object is an instance of craft\base\MissingComponentInterface, an interface used to represent components whose types are missing.

{% if field is missing %}
    <p>😱</p>
{% endif %}