hexadecimal to ascii

is there a way to convert hexadecimal to ascii?

in this format
%68%69 which would be hi

 

Maybe this will help you

function hextoascii($hex_str){
    $ascii_str = "";
    for($i=0; $i<strlen($hex_str); $i=$i+3){
        $ascii_str.=chr(hexdec(substr($hex_str, $i, 3)));
    }
    return $ascii_str;
}

echo(hextoascii("%68%69"));

Code (markup):

 

Two seconds of googling hex to ascii converter and you can get one off the php.net site