I'll think of a good title later

Only the geeks will find this funny but...

I've recently started playing with php. I was having trouble trying to work out why my md5() hashed password script wasn't working. All the code was correct, the code to insert the data into the table matched the corresponding code to retrieve it again at login. Then I checked the table structure:

Password char(30) not null,

If I had an ounce of common sense I'd be dangerous.