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(PHP 7 >= 7.2.0, PHP 8)
sodium_hex2bin — Decodes a hexadecimally encoded binary string
$string, string $ignore = ""): string
Decodes a hexadecimally encoded binary string.
Like sodium_bin2hex(), sodium_hex2bin() is resistant to side-channel attacks while hex2bin() is not.
string
Hexadecimal representation of data.
ignore
Optional string argument for characters to ignore.
Returns the binary representation of the given string data.
