rest_output_link_header()

Sends a Link header for the REST API.


Source 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( 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 );
	}
}


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Version Description
4.4.0 Introduced.

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