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php,图片exif信息,
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php通过exif_read_data函数获取图片的exif信息，
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php获取图片的exif信息，php自带一个exif_read_data函数可以用来读取图片的exif信息，代码来自php手册
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<?phpecho "test1.jpg:
\n";$exif = exif_read_data( ests/test1.jpg, IFD0);echo $exif===false ? "No header data found.
\n" : "Image contains headers
\n"; $exif = exif_read_data( ests/test2.jpg, 0, true);echo "test2.jpg:
\n";foreach ($exif as $key => $section) { foreach ($section as $name => $val) { echo "$key.$name: $val
\n"; }}?>
输出结果如下
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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 PUTED.UserCommentEncoding: ASCIICOMPUTED.Copyright: Photo (c) M.Boerger, Edited by PUTED.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 #MENT.1: Comment #MENT.2: Comment #3endTHUMBNAIL.JPEGInterchangeFormat: 134THUMBNAIL.Thumbnail.Height: 1THUMBNAIL.Thumbnail.Height: 1
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