hex2bin
hex2bin
(PHP >= 5.4.0)
hex2bin — Decodes a hexadecimally encoded binary string
Description
string hex2bin ( string $data )
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
-
data -
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.
Changelog
| 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. |
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"
See Also
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.hex2bin.php
