WordPress at a glance
function is not described

WP_REST_Request::offsetGet() public WP 4.4.0

Retrieves a parameter from the request.

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

No Hooks.

Return

Mixed/null. Value if set, null otherwise.

Usage

$WP_REST_Request = new WP_REST_Request();
$WP_REST_Request->offsetGet( $offset );
$offset(string) (required)
Parameter name.

Changelog

Since 4.4.0 Introduced.

Code of WP_REST_Request::offsetGet() WP 5.5.1

<?php
public function offsetGet( $offset ) {
	return $this->get_param( $offset );
}