PHP HTTP or HTTPS

Question

How can I tell if a php page was accessed via http or https

User · Answer

If the request was sent with HTTPS you will have a extra parameter in the   SERVER superglobal -   SERVER  HTTPS    You can check if it is set or not  if  isset   SERVER  HTTPS

User · Answer

SERVER  HTTPS     This will contain a  non-empty  value if the request was sent through HTTPS  PHP Server Variables

User · Answer

You should be able to do this by checking the value of   SERVER  HTTPS    it should only be set when using https    See http   php net manual en reserved variables server php

User · Answer

If your request is sent by HTTPS you will have an extra server variable named  HTTPS   if  isset   SERVER  HTTPS     amp  amp    SERVER  HTTPS       off       HTTPS

User · Answer

protocol   strtolower substr   SERVER  SERVER PROTOCOL   0 5     https   https   http     protocol   isset   SERVER  HTTPS       https     http     These should both work

User · Answer

This can get more complicated depending on where PHP sits in your environment  since your question is quite broad  This may depend on whether there s a load-balancer and how it s configured  Here are are a few related questions    How can I prevent access to PHP files if the caller isn  39 t using HTTPS  Detecting HTTPS vs HTTP on server sending back nothing useful

[php] PHP: HTTP or HTTPS?

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