Codeigniter Rename file on upload

Question

I\'m trying to add time as the prefix of the image name along with the original name when uploading, But I couldn\'t figure it out. Please help me with the following code to

Answer 1

You can encrypt file name with use of CI native option:

$config['encrypt_name'] = TRUE;

OR

You can do it with your own code:

$new_name = time().$_FILES["userfiles"]['name'];
$config['file_name'] = $new_name;