In PHP, you can use the hex2bin() function to convert hexadecimal to a string. The hex2bin() function is used to convert a string of hexadecimal values into a string of ASCII values; the syntax is "hex2bin(string)", where the parameter string is the hexadecimal value to be converted.
php hex2bin() function
hex2bin() function is used to convert a string of hexadecimal values A string converted to an ASCII value. [Related recommendations: PHP Tutorial]
Syntax
hex2bin(string)
Parameters:
string Required. The hexadecimal value to convert.
Return value:
Returns the ASCII characters of the converted string, or returns FALSE if it fails.
PHP Version: 5.4.0
Change Log:
Since PHP 5.4.1, a warning is thrown if the string length is odd. In PHP 5.4.0, odd strings are silently accepted, but the last byte is removed.
As of PHP 5.5.1, a warning is thrown if the string is an invalid hexadecimal string.
Example:
<?php echo hex2bin("48656c6c6f20576f726c6421"); ?>
Output:
Hello World!
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