A common use case for the $_SERVER superglobal in PHP is to access the ______.

  • Client's IP address and user agent
  • Server's file system and directory structure
  • Database connection details and credentials
  • User input from form submissions
A common use case for the $_SERVER superglobal in PHP is to access the client's IP address and user agent. By using $_SERVER['REMOTE_ADDR'], you can obtain the client's IP address, and $_SERVER['HTTP_USER_AGENT'] provides information about the client's user agent, such as the browser and operating system. This information can be useful for various purposes, including security, logging, personalization, and analytics. Learn more: https://www.php.net/manual/en/reserved.variables.server.php
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