<!-- <script src="https://cdn.ckeditor.com/ckeditor5/35.3.2/super-build/ckeditor.js"></script> -->
<script src="https://cdn.ckeditor.com/4.21.0/standard-all/ckeditor.js"></script>


<script>
// We need to turn off the automatic editor creation first.
var uploadUrl = '';
CKEDITOR.disableAutoInline = true;
CKEDITOR.dtd.$removeEmpty['i'] = false;

var ckMainEditor = CKEDITOR.replace('editor', {
    allowedContent: true,
    filebrowserUploadMethod: 'form',
    filebrowserUploadUrl: 'upload.php',
});
var ckMainEditorTwo = CKEDITOR.replace('editor2', {
    allowedContent: true,
    filebrowserUploadMethod: 'form',
    filebrowserUploadUrl: 'upload.php',
});
</script>