Which PHP superglobal is used to retrieve information about files uploaded via an HTTP POST request?

Explanation

The $_FILES superglobal is an associative array containing items uploaded to the current script via the HTTP POST method. While $_POST captures form field data, it does not contain file metadata or temporary path information. $_GET is used for URL parameters, and $_UPLOAD is not a valid PHP superglobal.

Key points

$_FILES stores file upload metadata
Form must have enctype='multipart/form-data'
$_POST does not contain file data

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