function common_ensure_session()
{
$c = null;
- if (array_key_exists(session_name, $_COOKIE)) {
+ if (array_key_exists(session_name(), $_COOKIE)) {
$c = $_COOKIE[session_name()];
}
if (!common_have_session()) {
function common_canonical_tag($tag)
{
- return strtolower(str_replace(array('-', '_', '.'), '', $tag));
+ $tag = mb_convert_case($tag, MB_CASE_LOWER, "UTF-8");
+ return str_replace(array('-', '_', '.'), '', $tag);
}
function common_valid_profile_tag($str)
return null;
}
- if ($_SERVER['HTTP_X_FORWARDED_FOR']) {
- if ($_SERVER['HTTP_CLIENT_IP']) {
+ if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) {
+ if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
$proxy = $_SERVER['HTTP_CLIENT_IP'];
} else {
$proxy = $_SERVER['REMOTE_ADDR'];
}
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else {
- if ($_SERVER['HTTP_CLIENT_IP']) {
+ $proxy = null;
+ if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}
}
- return array($ip, $proxy);
+ return array($proxy, $ip);
}