hello, i really like your step by step tutorials, they have really helped me learn alot about php. i also have a wallpaper website, and i have noticed lately that there are some spammers and they like to put html code alot on their posts, so i want to detect on my comments the html tags and block them or remove them, but how can i find out if the submit form has any html codes in it,

if you can help me out with this i would appreaciate