php 判断服务器是否是HTTPS连接

需要判断代码运行环境是否是HTTPS服务器？下面的代码可以帮助你实现，非常简单！

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";
}