如何使用php判斷服務器是否是HTTPS連接

復制代碼 代碼如下:
if ($_SERVER['HTTPS'] != "on") {
 echo "This is not HTTPS";
}else{
 echo "This is HTTPS";
}if ($_SERVER['HTTPS'] != "on") {
 echo "This is not HTTPS";
}else{
 echo "This is HTTPS";
}