Convert hex to ascii characters

Question

Is it possible to represent a sequence of hex characters (0-9A-F) with a sequence of 0-9a-zA-Z characters, so the the result sequence is smaller and can be decoded?

Answer 1

The built-in php functions may help some landing here on a search:

// https://www.php.net/manual/en/function.hex2bin
$hex = '6578616d706c65206865782064617461';
echo hex2bin($hex); // example hex data