The json_encode filter returns the JSON representation of a value:
{{ data|json_encode() }}
Note
Internally, Twig uses the PHP json_encode function.
options: A bitmask of json_encode options ({{
data|json_encode(constant('JSON_PRETTY_PRINT')) }})
© 2009–2017 by the Twig Team
Licensed under the three clause BSD license.
The Twig logo is © 2010–2017 SensioLabs
https://twig.sensiolabs.org/doc/1.x/filters/json_encode.html