sodium_hex2bin()

(PHP 7 >= 7.2.0)

Decodes a hexadecimally encoded binary string

说明

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.

参数

$hex

Hexadecimal representation of data.

$ignore

Optional string argument for characters to ignore.

返回值

Returns the binary representation of the given$hexdata.