How can PHP be used to generate a unique and incrementing file name for each uploaded file?

To generate a unique and incrementing file name for each uploaded file in PHP, you can use a combination of a timestamp and a unique identifier like a UUID. This ensures that each file name is unique and avoids any naming conflicts. You can concatenate these values to create a unique file name for each uploaded file.

// Generate a unique file name using timestamp and UUID
$uniqueFileName = time() . '_' . uniqid() . '_' . $_FILES['file']['name'];

// Move the uploaded file to a specific directory with the unique file name
move_uploaded_file($_FILES['file']['tmp_name'], 'uploads/' . $uniqueFileName);