hex2bin
PHP function
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(PHP 5 >= 5.4.0, PHP 7, PHP 8)
Decodes a hexadecimally encoded binary string
Description
hex2bin(string $string): string|false
Decodes a hexadecimally encoded binary string.
Caution
This function does NOT convert a hexadecimal number to a binary number. This can be done using the base_convert() function.
Parameters
stringHexadecimal representation of data.
Return Values
Returns the binary representation of the given data Falseforfailure.
Errors/Exceptions
If the hexadecimal input string is of odd length or invalid hexadecimal string an E_WARNING level error is thrown.
Examples
hex2bin() example
php
<?php
$hex = hex2bin("6578616d706c65206865782064617461");
var_dump($hex);
?>The above example will output something similar to:
output
string(16) "example hex data"