WordPress at a glance
function is not described

WP_REST_Request::get_json_params() public WP 4.4.0

Retrieves the parameters from a JSON-formatted body.

{} It's a method of the class: WP_REST_Request{}

No Hooks.

Return

Array. Parameter map of key to value.

Usage

$WP_REST_Request = new WP_REST_Request();
$WP_REST_Request->get_json_params();

Changelog

Since 4.4.0 Introduced.

Code of WP_REST_Request::get_json_params() WP 5.5.1

<?php
public function get_json_params() {
	// Ensure the parameters have been parsed out.
	$this->parse_json_params();

	return $this->params['JSON'];
}