Twig jsoncencode - PHP

Twig is a popular template engine for PHP, used widely in web development. One of its built-in filters is jsoncencode, which allows you to convert a Twig array or object to a JSON string.

Syntax

{# array to JSON string #}
{{ myArray|jsoncencode }}

{# object to JSON string #}
{{ myObject|jsoncencode }}

Parameters

The jsoncencode filter takes no parameters.

Example

In this example, we have an array of data that we want to convert to JSON and use in JavaScript.

{% set data = {
  "name": "John Doe",
  "age": 25,
  "email": "johndoe@example.com"
} %}

<script>
  var jsonData = {{ data|jsoncencode }};
  console.log(jsonData);
</script>

The output will be:

{
  "name": "John Doe",
  "age": 25,
  "email": "johndoe@example.com"
}

Notes

• The JSON output will have double quotes (") around each key and value, as per the standard JSON format.
• The jsoncencode filter uses the json_encode function internally, with the JSON_UNESCAPED_UNICODE flag to preserve Unicode characters.
• Twig's jsoncencode filter can also handle complex objects, including nested arrays and objects.
• Remember to always validate and sanitize any input before converting to JSON.