Enable CORS on JSON API WordPress

I’ve used a few different WordPress API’s – but for those of you using the ‘official’ WP-API, I had much trouble with this CORS — and what I found was that between the .htaccess approach and a few others I stumbled upon… adding this to your theme functions.php worked best.

function add_cors_http_header(){
    header("Access-Control-Allow-Origin: *");

Be sure not to use any combinations of these ( .htaccess, header.php, api.php, functions.php ) as it will be angry at you.

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