Menu Close

Get Support From ShopWired Close

All systems fully operational

Subscribe To Updates
Prefer To Live Chat? Chat directly with ShopWired support Available from 9.00am to 6.00pm Monday to Friday Quickest response time
Send A Message
Response within 24 hours

Menu Close


Truthy and falsy

Like most computer languages, Twig supports boolean data types and so everything has an inherent boolean value, known as truthy and falsy.

Even though an attribute/object may not be boolean it will still be truthy in a conditional.

For example,

{% if product.description %}
        {{ product.description|raw }}
{% endif %}


    <p>These nike air max trainers are great.</p>

As long as a product description is set.

Checking whether an attribute/object is truthy can avoid empty HTML tags.

The rules to determine if an expression is true or false are the same as in PHP; here are the edge case rules:

empty string false
numeric zero false
whitespace-only string true
empty array false
null false
non-empty array true
object true