How can PHP be used to automatically delete folders on the server after they have been used?

To automatically delete folders on the server after they have been used, you can use PHP's `rmdir()` function. This function allows you to remove a directory from the server. You can trigger this function after the folder has been used, for example, after processing files within it.

// Specify the folder path to be deleted
$folderPath = 'path/to/folder';

// Check if the folder exists before attempting to delete it
if (file_exists($folderPath)) {
    // Delete the folder
    rmdir($folderPath);
    echo 'Folder deleted successfully.';
} else {
    echo 'Folder does not exist.';
}