How to determine hosting support IPv6
<?php
/**
* @author tutorialspots.com
* Auto detect hosting support IPv6
*/
function ts_checkv6()
{
$c = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' ? ($_ENV["TMP"] . '\\') : '/tmp/') . 'ipv6.txt';
if (!file_exists($c))
{
$xx = file_get_contents('https://drive.google.com/file/d/0B27EXq-f_btDN1JXekgtNUNCUVk/view');
preg_match("/ip.u003d[0-9a-f]+\:/", $xx, $m); //
$f = fopen($c, 'w+');
fwrite($f, $m ? 1 : 0);
fclose($f);
return $m ? true : false;
} else
{
return ((boolean)file_get_contents($c));
}
}
//var_dump(ts_checkv6());
?>
