[mihas]

1 Yes. EXIF.php
The extension moved to the following line ;-)

2 It's include directory in domain root folder - thanks to Autoresize Addon

3

PHP Code:

                // Extract the Coding Scheme Name from the first 8 characters
                $char_code = substr( $data, 0, 8 );

                // Extract the Data part from after the first 8 characters
                $characters = substr( $data, 8 );

                // Check coding scheme and interpret as neccessary

                if ( $char_code === "ASCII\x00\x00\x00" )
                {
                        // ASCII coding - return data as is.
                        return $characters;
                }
                elseif ( ( $char_code === "UNICODE\x00" ) ||
                         ( $char_code === "Unicode\x00" ) )             // Note lowercase is non standard
                {
                        // Unicode coding - interpret and return result.
/*THIS IS 1686 --> */ return xml_UTF16_clean( $characters, TRUE );
                }
                else
                {
                        // Unknown coding - return string indicating this
                        return "Unsupported character coding : \"$char_code\"\n\"" . trim($characters) . "\"";
                }
                break;
        }