WordPress at a glance
function is not described

rest_output_rsd() WP 4.4.0

Adds the REST API URL to the WP RSD endpoint.

  • See: get_rest_url()

No Hooks.

Return

Nothing (null).

Usage

rest_output_rsd();

Code of rest output rsd: wp-includes/rest-api.php VER 5.0.3

<?php
function rest_output_rsd() {
	$api_root = get_rest_url();

	if ( empty( $api_root ) ) {
		return;
	}
	?>
	<api name="WP-API" blogID="1" preferred="false" apiLink="<?php echo esc_url( $api_root ); ?>" />
	<?php
}