File: wp-includes/rest-api.php. View all references

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/"', sanitize_url( $api_root ) ), false );

	$resource = rest_get_queried_resource_route();

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

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