WordPress Version: 4.4
/**
* Adds the REST API URL to the WP RSD endpoint.
*
* @since 4.4.0
*
* @see get_rest_url()
*/
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
}