(PHP 5 >= 5.4.0, PHP 7)
hex2bin — Decodes a hexadecimally encoded binary string
$data
) : stringDecodes 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.
dataHexadecimal representation of data.
Returns the binary representation of the given data or FALSE on failure.
If the hexadecimal input string is of odd length or invalid hexadecimal string
an E_WARNING level error is thrown.
| Version | Description |
|---|---|
| 5.5.1 | A warning is thrown if the input string is invalid hexadecimal string. |
| 5.4.4 | A warning is thrown if the input string is of odd length. In PHP 5.4.0 the string was silently accepted, but the last byte was truncated. |
Example #1 hex2bin() example
<?php
$hex = hex2bin("6578616d706c65206865782064617461");
var_dump($hex);
?>
The above example will output something similar to:
string(16) "example hex data"