How can PHP be used to extract and display specific information such as IP address, browser, and operating system from user requests?

To extract and display specific information such as IP address, browser, and operating system from user requests in PHP, you can utilize the $_SERVER superglobal array. The $_SERVER array contains information such as headers, paths, and script locations. By accessing specific keys within this array, you can retrieve the desired information and display it to the user. 

// Get user's IP address
$ipAddress = $_SERVER['REMOTE_ADDR'];
echo "Your IP address is: $ipAddress <br>";

// Get user's browser
$browser = $_SERVER['HTTP_USER_AGENT'];
echo "Your browser is: $browser <br>";

// Get user's operating system
$userOS = php_uname('s');
echo "Your operating system is: $userOS <br>";

Keywords

PHP user requests IP address browser operating system

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