This is just simple Online inventory system with point of sale and im sure that you can get more lesson from this codes using php in building Online inventory system ​ and point of sale,especially for the beginner that want to learn in php.
Visit http://www.mirostech.com
for user login
username:sad
password:sad
for admin login
username:admin
password:admin
in admin login, you can register user and admin
add,edit delete of products.
backup database.
print.
report of adding products.
in user login, you sell products,input cash and change.
report of products sold.
backup database..
for more details just visit my site.