How can PHP be used to determine which domain the user has entered in the browser?

To determine which domain the user has entered in the browser using PHP, you can use the $_SERVER['HTTP_HOST'] variable. This variable contains the host header value sent by the client in the HTTP request, which typically represents the domain name entered by the user. By accessing this variable, you can extract the domain name and use it in your PHP code for further processing. 

$domain = $_SERVER['HTTP_HOST'];
echo "The user entered domain is: $domain";

Keywords

PHP domain browser $_SERVER parse_url

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