Php method and instance code to get native real IP address

This article mainly for you in detail the PHP to obtain the real IP address instance code, with a certain reference value, interested in small partners can refer to

The main is to obtain the operating system for WIN2000/XP, Win7 native IP real address, and obtain the operating system for the Linux type of native IP real address, specific content as follows

function Getlocalip () {$preg = "/\a (([[0-9]?[ 0-9]) | (1[0-9]{2}) | (2[0-4][0-9]) | (25[0-5])) \.) {3} ([0-9]? [0-9]) | (1[0-9]{2}) | (2[0-4][0-9]) | (25[0-5])) \z/";//Get the native IP address of the operating system WIN2000/XP, Win7 exec (" ipconfig ", $out, $stats); if (!empty ($out)) {  foreach ($out as $row) {   if (strstr ($row, "IP") && strstr ($row, ":") &&!strst R ($row, "IPv6")) {    $tmpIp = explode (":", $row);    if (Preg_match ($preg, Trim ($tmpIp [1])) {     return trim ($tmpIp [1]);}}}  Get the native IP real address of the Linux type for the OS exec ("Ifconfig", $out, $stats); if (!empty ($out)) {  if (isset ($out [1]) && strstr ($out [1], ' addr: ')} {   $tmpArray = explode (":", $out [1]);   $tmpIp = Explode ("", $tmpArray [1]);   if (Preg_match ($preg, Trim ($tmpIp [0])) {    return trim ($tmpIp [0]),}   }  } return ' 127.0.0.1 ';}

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