php通過exif_read_data函數擷取圖片的exif資訊，_PHP教程

php通過exif_read_data函數擷取圖片的exif資訊，

php擷取圖片的exif資訊，php內建一個exif_read_data函數可以用來讀取圖片的exif資訊，代碼來自php手冊

<?phpecho "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.jpgFILE.FileDateTime: 1017666176FILE.FileSize: 1240FILE.FileType: 2FILE.SectionsFound: ANY_TAG, IFD0, THUMBNAIL, COMMENTCOMPUTED.html: width="1" height="1"COMPUTED.Height: 1COMPUTED.Width: 1COMPUTED.IsColor: 1COMPUTED.ByteOrderMotorola: 1COMPUTED.UserComment: Exif test image.COMPUTED.UserCommentEncoding: ASCIICOMPUTED.Copyright: Photo (c) M.Boerger, Edited by M.Boerger.COMPUTED.Copyright.Photographer: Photo (c) M.BoergerCOMPUTED.Copyright.Editor: Edited by M.Boerger.IFD0.Copyright: Photo (c) M.BoergerIFD0.UserComment: ASCIITHUMBNAIL.JPEGInterchangeFormat: 134THUMBNAIL.JPEGInterchangeFormatLength: 523COMMENT.0: Comment #1.COMMENT.1: Comment #2.COMMENT.2: Comment #3endTHUMBNAIL.JPEGInterchangeFormat: 134THUMBNAIL.Thumbnail.Height: 1THUMBNAIL.Thumbnail.Height: 1

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