public static function little_endian($hex)
    {
        $result = '';
        for ($x = strlen($hex) - 2; $x >= 0; $x = $x - 2) {
            $result .= substr($hex, $x, 2);
        }
        return $result;
    }
public static function little_endian($hex)
    {
        $result = '';
        for ($x = strlen($hex) - 2; $x >= 0; $x = $x - 2) {
            $result .= substr($hex, $x, 2);
        }
        return $result;
    }
public static function little_endian ( $ hex ) { $ result = '' ; for ( $ x = strlen ( $ hex ) - 2 ; $ x >= 0 ; $ x = $ x - 2 ) { $ result .= substr ( $ hex , $ x , 2 ) ; } return $ result ; }
Converts a little-endian hex-number to one, that 'hexdec' can convert
Converts a little - endian hex - number to one that hexdec can convert