php獲取圖片的exif信息，php自帶一個exif_read_data函數可以用來讀取圖片的exif信息，代碼來自php手冊

echo "test1.jpg:
\n";

$exif = exif_read_data('tests/test1.jpg', 'IFD0');

echo $exif===false ? "No header data found.
\n" : "Image contains headers
\n";

$exif = exif_read_data('tests/test2.jpg', 0, true);

echo "test2.jpg:
\n";

foreach ($exif as $key => $section) {

foreach ($section as $name => $val) {

echo "$key.$name: $val
\n";

}

}

?>

輸出結果如下

test1.jpg:

No header data found.

test2.jpg:

FILE.FileName: test2.jpg

FILE.FileDateTime: 1017666176

FILE.FileSize: 1240

FILE.FileType: 2

FILE.SectionsFound: ANY_TAG, IFD0, THUMBNAIL, COMMENT

COMPUTED.html: width="1" height="1"

COMPUTED.Height: 1

COMPUTED.Width: 1

COMPUTED.IsColor: 1

COMPUTED.ByteOrderMotorola: 1

COMPUTED.UserComment: Exif test image.

COMPUTED.UserCommentEncoding: ASCII

COMPUTED.Copyright: Photo (c) M.Boerger, Edited by M.Boerger.

COMPUTED.Copyright.Photographer: Photo (c) M.Boerger

COMPUTED.Copyright.Editor: Edited by M.Boerger.

IFD0.Copyright: Photo (c) M.Boerger

IFD0.UserComment: ASCII

THUMBNAIL.JPEGInterchangeFormat: 134

THUMBNAIL.JPEGInterchangeFormatLength: 523

COMMENT.0: Comment #1.

COMMENT.1: Comment #2.

COMMENT.2: Comment #3end

THUMBNAIL.JPEGInterchangeFormat: 134

THUMBNAIL.Thumbnail.Height: 1

THUMBNAIL.Thumbnail.Height: 1

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