Encontre o IP p√ļblico do servidor

<?php

function getWebPage($url)
{
$ch
= curl_init();
$timeout
= 5;
curl_setopt
($ch, CURLOPT_URL, $url);
curl_setopt
($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt
($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$data
= curl_exec($ch);
curl_close
($ch);

return $data;
}

# try-1
$url
= 'http://api.externalip.net/ip';
$content
= getWebPage($url);
$ip
= trim($content);

if(inet_pton($ip)){
return $ip;
}

#try-2
echo
'Fetching external IP from: http://checkip.dyndns.org:8245 ';
$html
= getWebPage("http://checkip.dyndns.org:8245");
if(preg_match('/(d{1,3}.d{1,3}.d{1,3}.d{1,3})/', $html, $matches) !== 0){
return $matches[0];
}

return false;