'text/html; charset=utf-8', ])->withBody($html, 'text/html')->post(env('HTML_VALIDATOR_URL') . '/?out=json'); $json = $response->json(); return $json; } public static function validateCss(string $css) { $response = Http::withHeaders([ 'Content-Type' => 'text/css; charset=utf-8', ])->withBody($css, 'text/css')->post(env('CSS_VALIDATOR_URL') . '/?out=json'); $json = $response->json(); return $json; } }