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.