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wp_is_serving_rest_request › WordPress Function

Since6.5.0
Deprecatedn/a
› wp_is_serving_rest_request ( No parameters )
Returns:
  • (bool) True if it's a WordPress REST API request, false otherwise.
Defined at:
Codex:

Determines whether WordPress is currently serving a REST API request.

The function relies on the 'REST_REQUEST' global. As such, it only returns true when an actual REST request is being made. It does not return true when a REST endpoint is hit as part of another request, e.g. for preloading a REST response. See {@see} for that purpose. This function should not be called until the {@see 'parse_request'} action, as the constant is only defined then, even for an actual REST request.


Related Functions: wp_is_json_request, wp_safe_remote_request, wp_is_jsonp_request, wp_send_user_request, wp_get_user_request

Source 

function wp_is_serving_rest_request() {
	return defined( 'REST_REQUEST' ) && REST_REQUEST;
}