I wanted to get some thumbnail creation code in PHP to use for a little project I was working on, and so I traipsed over to Google and asked for "php thumbnail". I took a peek at the first search result, snagged the code, inserted it in my test app, and went merrily on my way. And that will be the last time I trust Google to find me code.
There are many problems with the code that I got. It's not malicious, but it does many easy things wrong. And the one thing that it's supposed to do well - the thing for which Google found it - it doesn't do correctly.
I can't entirely blame the code author, because this particular bit of code is very commonly written incorrectly. But what's a guy to do when you just want a simple PHP function (as opposed to a whole class) that generates thumbnails? Well, it's about time someone did something about that. Here we go....
more