W3cubDocs

/Twig 1

lower

The lower filter converts a value to lowercase:

{{ 'WELCOME'|lower }}

{# outputs 'welcome' #}

© 2009–2017 by the Twig Team
Licensed under the three clause BSD license.
The Twig logo is © 2010–2017 SensioLabs
http://twig.sensiolabs.org/doc/1.x/filters/lower.html