security - Retrieve Website Fully Qualified URL Securely in PHP? -


have seen lots of individual threads on how generate qualified website url, e.g.

https://www.example.com/

the majority of threads few years old , have mentions of security risks using code.

is there more date , secure way of retrieving qualified url in php?

update:

i wish keep global string, auto-generated, of top level website address use in pages on website.

$actual_link = (isset($_server['https']) ? "https" : "http") . "://$_server[http_host]$_server[request_uri]";

refer : get full url in php


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