[php] How can I force users to access my page over HTTPS instead of HTTP?

If you use Apache or something like LiteSpeed, which supports .htaccess files, you can do the following. If you don't already have a .htaccess file, you should create a new .htaccess file in your root directory (usually where your index.php is located). Now add these lines as the first rewrite rules in your .htaccess:

RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

You only need the instruction "RewriteEngine On" once in your .htaccess for all rewrite rules, so if you already have it, just copy the second and third line.

I hope this helps.

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