WordPress at a glance
function is not described

WP_Customize_Selective_Refresh::is_render_partials_request() public WP 4.5.0

Checks whether the request is for rendering partials.

Note that this will not consider whether the request is authorized or valid, just that essentially the route is a match.

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

No Hooks.

Return

true|false. Whether the request is for rendering partials.

Usage

$WP_Customize_Selective_Refresh = new WP_Customize_Selective_Refresh();
$WP_Customize_Selective_Refresh->is_render_partials_request();

Changelog

Since 4.5.0 Introduced.

Code of WP_Customize_Selective_Refresh::is_render_partials_request() WP 5.7.2

<?php
public function is_render_partials_request() {
	return ! empty( $_POST[ self::RENDER_QUERY_VAR ] );
}