Wordpress自定义文本小部件html支持

I have a custom text widget but I cant write html code in it. Is there any way to add html support to custom widget?

Note: I know there is Wordpress Text Widget but I have to use this custom widget.

Here is my code: https://codepaste.net/ct4yee

Thanks for help!

Your script is calling strip_tags() which removes HTML tags. See http://php.net/manual/en/function.strip-tags.php.