JSON (json related) (tag)
| wp_json_encode() | Encode a variable into JSON, with some sanity checks. Checks strings and translates them to UTF-8. |
| wp_json_file_decode() | Reads and decodes (parses) the specified JSON file. |
| wp_send_json() | Encodes the passed variable into JSON, prints the result to the screen and terminates the script (die). Used to return data for AJAX requests. |
| wp_send_json_error() | Send a JSON response back to an Ajax request, indicating failure. |
| wp_send_json_success() | Returns JSON data. Is used to return a success response to AJAX request. The response object always contains the element |