Подсветка php-синтаксиса в стандартном редакторе bitrix

//Подстветка синтаксиса для админки
if ($_SERVER['SCRIPT_NAME']=="/bitrix/admin/fileman_file_edit.php")
{
   AddEventHandler("main", "OnEpilog", "InitPHPHighlight");
   function InitPHPHighlight()
   {
      global $APPLICATION;
      $path = '/js/codemirror';
      $string='
      <link rel="stylesheet" href="'.$path.'/lib/codemirror.css">
      <link rel="stylesheet" href="'.$path.'/lib/util/dialog.css">
      <script src="'.$path.'/lib/codemirror.js"></script>
      <script src="'.$path.'/mode/htmlmixed/htmlmixed.js"></script>
      <script src="'.$path.'/mode/xml/xml.js"></script>
      <script src="'.$path.'/mode/javascript/javascript.js"></script>
      <script src="'.$path.'/mode/css/css.js"></script>
      <script src="'.$path.'/mode/clike/clike.js"></script>
      <script src="'.$path.'/mode/php/php.js"></script>
      <script src="'.$path.'/lib/util/dialog.js"></script>
      <script src="'.$path.'/lib/util/searchcursor.js"></script>
      <script src="'.$path.'/lib/util/search.js"></script>
      <style>
      .CodeMirror-scroll, .CodeMirror-dialog { font: 12px "Monaco", "Lucida Console", "Courier" !important; }
      .CodeMirror-dialog > div { top:auto; bottom:9px; left:-8px; right:-8px;}
      .CodeMirror-scroll { height: 500px; }
      .CodeMirror-selected { background: #c7ddfe !important; }
      .activeline { background: #ffffff !important;}
      </style>
      <script>
      BX.ready(function(){
        //setTimeout( Codemirror_Init, 300);
        Codemirror_Init();
      });
      function Codemirror_Init() {
        var nl=document.getElementsByTagName("textarea");
        var editor = CodeMirror.fromTextArea(nl[0], {
          lineNumbers: true,
          matchBrackets: true,
          mode: "application/x-httpd-php",
          indentUnit: 2,
          indentWithTabs: false,
          tabMode: "indent",
          enterMode: "indent",
          lineWrapping: true,
          onChange: function(){editor.save();},
          onCursorActivity: function() {
            editor.setLineClass(hlLine, null);
            hlLine = editor.setLineClass(editor.getCursor().line, "activeline");
          },
        });

        var hlLine = editor.setLineClass(0, "activeline");
      }
      </script>';

      $APPLICATION->AddHeadString($string);
   }
}