You can get a great php encoder now online to protect and secure any necessary scripts you need to protect when you want to sell them. If you need to add any locks to the following you can do it with Source Guardian:
- ip address or several ip addresses
- domain name or several domain names
- LAN hardware address (MAC) or several LAN hardware addresses (MAC)
If you want to add encryption layers to these protected features of your php scripts you can do so. It will give all the added protected to your locked scripts by not allowing any external ip address or domain name etc to run it, and your scripts will not decrypted. You can download a free trial from www.sourceguardian.com and get free unlimited support from the experts at Source Guardian through email if you decide to purchase at the end of your trial. Learn more online.