(PHP 7 >= 7.2.0, PHP 8)
sodium_bin2hex — Encode to hexadecimal
$string): stringConverts a raw binary string into a hex-encoded string. Unlike the standard hex-encoding function, sodium_bin2hex() is constant-time (a property that is important for any code that touches cryptographic inputs, such as plaintexts or keys).
stringRaw binary string.
Hex encoded string.