PHP hex2bin() Function
Example
Convert hexadecimal values to ASCII characters:
<?php
echo hex2bin("48656c6c6f20576f726c6421");
?>
The output of the code above will be:
Hello World!
Definition and Usage
The hex2bin() function converts a string of hexadecimal values to ASCII characters.
Syntax
hex2bin(string)
| Parameter | Description |
|---|---|
| string | Required. The hexadecimal value to be converted |
Technical Details
| Return Value: | Returns the ASCII character of the converted string, or FALSE on failure |
|---|---|
| PHP Version: | 5.4.0+ |
| Changelog: | As of PHP 5.4.1, a warning is thrown if the string is of odd
length. In PHP 5.4.0, the string was silently accepted, but the last byte
was removed. As of PHP 5.5.1, a warning is thrown if the string is invalid hexadecimal string. |
PHP String Reference
