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I am using xampp on localhost and when I use $_SERVER["REMOTE_ADDR"] it returns ::1 (also does this in phpinfo()). Why does it do this? I want it to return a normal ip address like 127.0.0.1. My operating system is windows vista.
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The simplest way to collect the visitor IP address in PHP is the REMOTE_ADDR. Pass the 'REMOTE_ADDR' in PHP $_SERVER variable. It will return the IP address of the visitor who is currently viewing the webpage.
$_SERVER['REMOTE_ADDR'] Returns the IP address from where the user is viewing the current page. $_SERVER['REMOTE_HOST'] Returns the Host name from where the user is viewing the current page. $_SERVER['REMOTE_PORT']
Yes, it's safe. It is the source IP of the TCP connection and can't be substituted by changing an HTTP header.
$_SERVER['REMOTE_ADDR'] gives the IP address from which the request was sent to the web server.
::1 is an IPv6 address and an abbreviation for 0:0:0:0:0:0:0:1 that is the loopback address to the local machine. So ::1 is the same as 127.0.0.1 only via IPv6 instead of IPv4.
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