How to convert php hex to ascii

In PHP, you can use the hex2bin() function to convert a string of hexadecimal values ​​into ASCII characters. The syntax is such as "hex2bin(string)". The parameter string represents the hexadecimal value to be converted. .

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

How to convert php hex to ascii?

hex2bin() function converts a string of hexadecimal values ​​into ASCII characters.

Syntax

hex2bin(string)

Parameters

string Required. The hexadecimal value to convert.

Return value: Returns the ASCII characters of the converted string, or 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

Convert hexadecimal value to ASCII character:

<?php
echo hex2bin("48656c6c6f20576f726c6421");
?>

Output of the above code:

Hello World!

Recommended study: " PHP video tutorial》

The above is the detailed content of How to convert php hex to ascii. For more information, please follow other related articles on the PHP Chinese website!