rest_output_link_header()

Sends a Link header for the REST API.

Source

File: wp-includes/rest-api.php 

function rest_output_link_header() {
	if ( headers_sent() ) {
		return;
	}

	$api_root = get_rest_url();

	if ( empty( $api_root ) ) {
		return;
	}

	header( 'Link: <' . esc_url_raw( $api_root ) . '>; rel="https://api.w.org/"', false );
}

Expand Source Code View on GitHub

Related

Uses

Uses
Uses Description
wp-includes/rest-api.php: get_rest_url()

Retrieves the URL to a REST endpoint on a site.
wp-includes/formatting.php: esc_url_raw()

Performs esc_url() for database usage.

Changelog

Changelog
Version Description
WP-4.4.0 Introduced.