sodium_hex2bin
(PHP 7 >= 7.2.0)
sodium_hex2bin — 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 hex
data.