Help me laern this script

I know I'm such a useless newfag but can anybody please help me use this http://milw0rm.com/exploits/2105

I keep getting
XMB <= 1.9.6 'u2uid' SQL injection / admin credentials disclosure
by rgod rgod@autistici.org
site: http://retrogod.altervista.org
dork: "Powered by XMB"

Usage: php  host path username password OPTIONS
host: target server (ip/hostname)
path: path to XMB
user/pass: you need a valid user account
Options:
 -T[prefix] specify a table prefix (default: xmb_)
 -d[delay] " a delay between posts (there is an antiflood protection, default: 5)
 -p[port]: " a port other than 80
 -P[ip:port]: " a proxy
Examples:
php  localhost /xmb/ user pass -d6
php  localhost /xmb/Files/ user pass -Txmb191_

I don't know where to edit

>>34
What's so hard about binding a shell? Even connect-back is just a few system calls, so I'd figure it'd be even easier with PHP.