hex2bin
(PHP 5 >= 5.4.0, PHP 7)
hex2bin — Decodes a hexadecimally encoded binary string
Description
$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.
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"
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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