PHP

sprintf(‘%05b’, $seccodestatus) #转换十进制到二进制

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  function ClientIPAddress(){
if($_SERVER[“HTTP_X_FORWARDED_FOR”]){
$client_ip = ( !empty($HTTP_SERVER_VARS[‘REMOTE_ADDR’]) ) ? $HTTP_SERVER_VARS[‘REMOTE_ADDR’] : ( ( !empty($HTTP_ENV_VARS[‘REMOTE_ADDR’]) ) ? $HTTP_ENV_VARS[‘REMOTE_ADDR’] : $REMOTE_ADDR );
$entries = explode(‘,’,$_SERVER[“HTTP_X_FORWARDED_FOR”]);
reset($entries);
while (list(, $entry) = each($entries)){
$entry = trim($entry);
if ( preg_match(“/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/”, $entry, $ip_list) ){
$private_ip = array(‘/^0\./’, ‘/^127\.0\.0\.1/’, ‘/^192\.168\..*/’, ‘/^172\.((1[6-9])|(2[0-9])|(3[0-1]))\..*/’, ‘/^10\..*/’, ‘/^224\..*/’, ‘/^240\..*/’);
$found_ip = preg_replace($private_ip, $client_ip, $ip_list[1]);

if ($client_ip != $found_ip){
$client_ip = $found_ip;
break;
}
}
}
}
else{
$client_ip = $_SERVER[‘REMOTE_ADDR’];
}
return $client_ip;
}