#50660 [Csd->Opn]: exif_read_data fails on a given image while giving no errors with other tools

From: Date: Wed, 06 Jan 2010 16:24:28 +0000
Subject: #50660 [Csd->Opn]: exif_read_data fails on a given image while giving no errors with other tools
References: 1  Groups: php.bugs 
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 ID:               50660
 User updated by:  skinny dot bravo at gmail dot com
 Reported By:      skinny dot bravo at gmail dot com
-Status:           Closed
+Status:           Open
 Bug Type:         EXIF related
 Operating System: Linux
 PHP Version:      5.2.12
 New Comment:

New to this bug report system. Reopened. Sorry again.


Previous Comments:
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[2010-01-06 15:43:23] srinatar@php.net

not sure, why you closed this bug when it is reproduced with the latest

snapshot as well ?

------------------------------------------------------------------------

[2010-01-06 12:49:45] skinny dot bravo at gmail dot com

Sorry,

- php5.2-201001041530 produces the same result
+ php5.2-201001041530 produces the same result as 5.2.12 below

------------------------------------------------------------------------

[2010-01-06 12:42:40] iliaa@php.net

If it works with php5.2-201001041530 it means that the issue has been 
resolved.

------------------------------------------------------------------------

[2010-01-04 17:55:52] skinny dot bravo at gmail dot com

Description:
------------
PHP fails reading GPS data from a given set of photos from Samsung
SGH-
i900. The images are said to come from the camera without any edits.

Ex: 

http://o1.imgsrc.ru/v/vahmurka/3/16095163cDU.jpg
http://o1.imgsrc.ru/v/vahmurka/1/16095161rno.jpg

exiftool 8.00 has no problem reading this file. php5.2-201001041530 
produces 
the same result.

Reproduce code:
---------------
# php -r 'var_dump(read_exif_data("16095163cDU.jpg",NULL,TRUE));'

Expected result:
----------------
...
["SectionsFound"]=>
    string(35) "ANY_TAG, IFD0, THUMBNAIL, EXIF, GPS"
...
["GPS"]=>
  array(8) {
    ["GPSVersion"]=>
    string(4) ""
    ["GPSLatitudeRef"]=>
    string(1) "N"
    ["GPSLatitude"]=>
    array(3) {
      [0]=>
      string(4) "43/1"
      [1]=>
      string(4) "16/1"
      [2]=>
      string(11) "75363/10000"
    }
    ["GPSLongitudeRef"]=>
    string(1) "E"
    ["GPSLongitude"]=>
    array(3) {
      [0]=>
      string(4) "77/1"
      [1]=>
      string(4) "21/1"
      [2]=>
      string(11) "140249/2629"
    }
    ["GPSAltitudeRef"]=>
    string(1) ""
    ["GPSAltitude"]=>
    string(6) "1603/1"
    ["GPSMapDatum"]=>
    string(6) "WGS-84"
  }

these results are taken after fixing image with exiftool: 
# exiftool -all= -tagsfromfile @ -all:all -unsafe 16095163cDU.jpg


Actual result:
--------------
Warning: read_exif_data(16095163cDU.jpg): Illegal IFD offset in 
Command line code on line 1
array(4) {
  ["FILE"]=>
  array(6) {
    ["FileName"]=>
    string(15) "16095163cDU.jpg"
    ["FileDateTime"]=>
    int(1259257839)
    ["FileSize"]=>
    int(938692)
    ["FileType"]=>
    int(2)
    ["MimeType"]=>
    string(10) "image/jpeg"
    ["SectionsFound"]=>
    string(19) "ANY_TAG, IFD0, EXIF"
  }


------------------------------------------------------------------------


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