How to convert hexadecimal to string in php?

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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