How To Disable HTML In WordPress Comments
In this tutorial we will explain you How To Disable HTML In WordPress Comments.We are also using WordPress as a blogging option, but sometime we have lots of comments which consist of HTML tags on it.To solve this we just have to put a single line of code on our functions.php file.
By adding that line we disallow readers to input HTML tags on our comment box.
add_filter( 'pre_comment_content', 'wp_specialchars' );
Add above code in your functions.php file and enjoy.