$current_url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"; echo "The current URL is: " . $current_url;
$current_url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"; $file = 'log.txt'; $handle = fopen($file, 'a'); fwrite($handle, $current_url . "\n"); fclose($handle);In this example, we are using the getCurrentUrl() function to obtain the current URL and then append it to a log file. This can be useful for tracking user activity and analyzing website traffic. Package/Library: This function is built into PHP and does not require any external libraries or packages. It is part of the core PHP language.