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rest_output_link_header()

Sends a Link header for the REST API.

Source

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

	$api_root = get_rest_url();

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

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

	$resource = rest_get_queried_resource_route();

	if ( $resource ) {
		header( sprintf( 'Link: <%s>; rel="alternate"; type="application/json"', esc_url_raw( rest_url( $resource ) ) ), false );
	}
}

Uses

Uses	Description
wp-includes/rest-api.php: rest_get_queried_resource_route()	Gets the REST route for the currently queried object.
wp-includes/rest-api.php: get_rest_url()	Retrieves the URL to a REST endpoint on a site.
wp-includes/rest-api.php: rest_url()	Retrieves the URL to a REST endpoint.
wp-includes/formatting.php: esc_url_raw()	Performs esc_url() for database usage.

Changelog

Version	Description
4.4.0	Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/rest_output_link_header

rest_output_link_header()

Source

Related

Uses

Changelog