3 replies to this topic
Posted 15 August 2006 - 11:10 AM
Can I find out specific information about an user who opens a php page (like ip address). I need to create a program which doesn't allow multiple registrations from the same computer. I know that $_SERVER stores this kind of information, but I don't know which argument to use.
Posted 15 August 2006 - 11:18 AM
Use $_SERVER['REMOTE_ADDR'] however keep in mind this variable may not return the users true IP address as it may return the users proxy address if they are behind a proxy. Also most ISPs give customers dynamic IP addresses, which mean their IP address could change automatically when they connect to the internet, connect to a website, change every minutes/hours etc. So using $_SERVER['REMOTE_ADDR'] shouldn't be relied on.
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