views:

399

answers:

2

Possible Duplicates:
Auto Generated Avatars on Stack Overflow
what is the algorithm used to generate those little gravatar identicon images?

StackOverflow seems to have nice, randomly generated avatars for default users. How do I do that (preferably with PHP)?

+6  A: 

http://en.gravatar.com/

Joel Martinez
It doesn't ask what they use, it's asking how *he* could create one.
George Stocker
And an excellent answer to that is to use gravatar :)
vfilby
Thanks, lightning fast. Now I have to wait 12 minutes to accept your answer...:(
Jasie
@Jasie :-)@George Stocker, The question was how stackoverflow did it, and how they can as well. The answer of gravatar answers both questions ;-)
Joel Martinez
+2  A: 

Gravatar: http://en.gravatar.com/

Here is a link to their reference php implementation: http://en.gravatar.com/site/implement/php

vfilby