mb_detect_encoding detects ASCII as UTF-8?

Question

I\'m trying to automatically convert imported IPTC metadata from images to UTF-8 for storage in a database based on the PHP mb_ functions.

Currently

Answer 1

If you do not want to worry about what encodings you will allow, you can add them all

$encoding = mb_detect_encoding($val, implode(',', mb_list_encodings()));