Microweber\Providers\Template::admin_head PHP Метод

    public function admin_head($script_src)
    {
        static $mw_template_headers;
        if ($mw_template_headers == null) {
            $mw_template_headers = array();
        }
        if (is_string($script_src)) {
            if (!in_array($script_src, $mw_template_headers)) {
                $mw_template_headers[] = $script_src;
                return $mw_template_headers;
            }
        } else {
            if (is_bool($script_src)) {
                //   return $mw_template_headers;
                $src = '';
                if (is_array($mw_template_headers)) {
                    foreach ($mw_template_headers as $header) {
                        $ext = get_file_extension($header);
                        switch (strtolower($ext)) {
                            case 'css':
                                $src .= '<link rel="stylesheet" href="' . $header . '" type="text/css" media="all">' . "\n";
                                break;
                            case 'js':
                                $src .= '<script type="text/javascript" src="' . $header . '"></script>' . "\n";
                                break;
                            default:
                                $src .= $header . "\n";
                                break;
                        }
                    }
                }
                return $src;
            }
        }
    }