exif_read_data() ab PHP 4.2.0
read_exif_data() ab PHP 4.0.1

Array
(
    [FileName] => exiftest.jpg
    [FileDateTime] => 1217318926
    [FileSize] => 431869
    [FileType] => 2
    [MimeType] => image/jpeg
    [SectionsFound] => ANY_TAG, IFD0, THUMBNAIL, COMMENT, EXIF
    [COMPUTED] => Array
        (
            [html] => width="1152" height="872"
            [Height] => 872
            [Width] => 1152
            [IsColor] => 1
            [ByteOrderMotorola] => 0
            [CCDWidth] => 5mm
            [ApertureFNumber] => f/11.0
            [FocusDistance] => 1.22m
            [Thumbnail.FileType] => 2
            [Thumbnail.MimeType] => image/jpeg
        )

    [ImageDescription] => DSC00001
    [Make] => Hewlett-Packard Company
    [Model] => PhotoSmart C200      
    [Orientation] => 1
    [XResolution] => 200/1
    [YResolution] => 200/1
    [ResolutionUnit] => 2
    [WhitePoint] => Array
        (
            [0] => 3127/10000
            [1] => 3290/10000
        )

    [PrimaryChromaticities] => Array
        (
            [0] => 640/1000
            [1] => 330/1000
            [2] => 300/1000
            [3] => 600/1000
            [4] => 150/1000
            [5] => 60/1000
        )

    [YCbCrCoefficients] => Array
        (
            [0] => 299/1000
            [1] => 587/1000
            [2] => 114/1000
        )

    [YCbCrPositioning] => 1
    [ReferenceBlackWhite] => Array
        (
            [0] => 0/1
            [1] => 255/1
            [2] => 0/1
            [3] => 128/1
            [4] => 0/1
            [5] => 128/1
        )

    [Exif_IFD_Pointer] => 386
    [THUMBNAIL] => Array
        (
            [Compression] => 6
            [XResolution] => 200/1
            [YResolution] => 200/1
            [ResolutionUnit] => 2
            [JPEGInterchangeFormat] => 862
            [JPEGInterchangeFormatLength] => 2446
        )

    [COMMENT] => Array
        (
            [0] => (C) 2003 by Mechthild Meinike, Halle (Saale), Germany
        )

    [ExposureTime] => 179/10000
    [FNumber] => 110/10
    [ExifVersion] => 0200
    [DateTimeOriginal] => 2003:01:12 11:40:44
    [ComponentsConfiguration] => 

    [CompressedBitsPerPixel] => 36/10
    [ExposureBiasValue] => 0/10
    [MaxApertureValue] => 28/10
    [SubjectDistance] => 1224/1000
    [MeteringMode] => 2
    [LightSource] => 0
    [Flash] => 0
    [FocalLength] => 59/10
    [MakerNote] => HP
    [FlashPixVersion] => 0100
    [ColorSpace] => 1
    [ExifImageWidth] => 1152
    [ExifImageLength] => 872
    [FocalPlaneXResolution] => 5770/1
    [FocalPlaneYResolution] => 5770/1
    [FocalPlaneResolutionUnit] => 2
)