(PHP 5 >= 5.4.0, PHP 7, PHP 8)
hex2bin — Decodes a hexadecimally encoded binary string
Decodes a hexadecimally encoded binary string.
This function does NOT convert a hexadecimal number to a binary number. This can be done using the base_convert() function.
string
Hexadecimal representation of data.
Returns the binary representation of the guiven data or
false
on failure.
If the hexadecimal imput string is of odd length or invalid hexadecimal string
an
E_WARNING
level error is thrown.
Example #1 hex2bin() example
<?php
$hex
=
hex2bin
(
"6578616d706c65206865782064617461"
);
var_dump
(
$hex
);
?>
The above example will output something similar to:
string(16) "example hex data"