PHP Howto Read IP address of remote computer/browser

 <?
$ip= $REMOTE_ADDR;
echo "<br> Your IP address : " . GetHostByName($ip) ;
echo "<br> Your hostname : " . $_SERVER['SERVER_NAME'];
?><br />
 <?
$ip= $REMOTE_ADDR;
echo "<br> Your IP address : " . GetHostByName($ip) ;
echo "<br> Your hostname : " . $_SERVER['SERVER_NAME'];
?><br />