hex2bin
(PHP 5 >= 5.4.0, PHP 7, PHP 8)
hex2bin — Decodes a hexadecimally encoded binary string
Description
$string
): string|falseDecodes 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.
Parameters
-
string
-
Hexadecimal representation of data.
Return Values
Returns the binary representation of the given data or false
on failure.
Errors/Exceptions
If the hexadecimal input string is of odd length or invalid hexadecimal string
an E_WARNING
level error is thrown.
Examples
Example #1 hex2bin() example
<?php
$hex = hex2bin("6578616d706c65206865782064617461");
var_dump($hex);
?>
The above example will output something similar to:
string(16) "example hex data"