vbulletin hash?

[piskotilki]

my codes

if($hashpassword==$hashpass)
...
..
.


$hashpass='';#the hash that will be used for the passwords which has to be stored in system

ı want to learn vbulletın hash code?

[Chroder]

vB's password hash is:

md5( md5(password) . salt )
(The salt is available in the 'salt' field of the 'user' table.)