How connect filename customavatar from MySQLI to customavatars file

[s66666s]

hi

if you need update new customavatar he same in MySQLI same names upload user & you can see this MySQLI and in customavatars he change name like avatarXXXXX.gif

now i want now how i can change all names in MySQLI same file customavatars

if you have any idea for this tell me