sodium_hex2bin
(PHP 7 >= 7.2.0)
sodium_hex2bin — Decodes a hexadecimally encoded binary string
Description
sodium_hex2bin ( string $hex [, string $ignore ] ) : string
Decodes a hexadecimally encoded binary string.
Like sodium_bin2hex(), sodium_hex2bin() is resistant to side-channel attacks while hex2bin() is not.
Parameters
-
hex -
Hexadecimal representation of data.
-
ignore -
Optional string argument for characters to ignore.
Return Values
Returns the binary representation of the given hex data.
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https://www.php.net/manual/en/function.sodium-hex2bin.php