# `json_encode` The `json_encode` filter returns the JSON representation of a value: <table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre>1</pre></div></td><td class="code"><div class="highlight"><pre>{{ data|json_encode() }} </pre></div></td></tr></table> Note Internally, Twig uses the PHP [json_encode](http://php.net/json_encode) [http://php.net/json_encode] function. ### Arguments - `options`: A bitmask of [json_encode options](http://www.php.net/manual/en/json.constants.php) [http://www.php.net/manual/en/json.constants.php] (`{{data|json_encode(constant('JSON_PRETTY_PRINT')) }}`)