RE: [PHP] jpeg photo file upload problem

You may want to try getimagesize(), as this is more consistent in determining mime types. That is what I wound up doing as it appears to override the browser/platform idiosyncracies. -m > -----Original Message----- > From: John T. Beresford [mailto:john-nic@beresford.net] > Sent: Thursday, July 17, 2003 5:51 PM > To: motorpsychkill; php-general@lists.php.net > Subject: RE: [PHP] jpeg photo file upload problem > > > > You're exactly right. > > I did a test on a win box and it reported image/pjpeg > I ran tests on other browsers/platforms, and for a .jpg image, only a > handful of win boxes reported the 'pjpeg' thing. > > I also did tests using 'regular jpegs' and 'progressive jpegs' and > that had no effect. > > Apparently the ms browser on a win box calls a 'jpeg a 'pjpeg' > > Anyway, to all, thanks for all the help, it's all working now. > > John > > > At 5:43 PM -0700 7/17/03, motorpsychkill wrote: > >I suspect this may be a browser/platform issue. I've recently run some > >tests and below are the most interesting results (mime types): > > > >IE 6 on PC: > >something.jpg -> image/pjpeg > >something.tif (pc format) -> application/octet-stream > >something.tif (mac format) -> image/tiff > > > >IE 5 on Mac: > >something.bmp -> application/octet-stream > >something.jpg -> image/jpeg > > > > > >NS 4.7 on Mac: > >something.bmp -> image/x-MS-bmp > > > >Opera 7 on PC: > >something.bmp -> image/x-windows-bmp > > > >I suspect if you want to validate jpgs, use image/jpeg and image/pjpeg or > >validate by examining the extention (ie ".jpg"). I don't know > how safe the > >latter is. > > > >HTH, > > > >m > > > > > >> -----Original Message----- > >> From: John T. Beresford [mailto:john-nic@beresford.net] > >> Sent: Wednesday, July 16, 2003 7:49 PM > >> To: php-general@lists.php.net > >> Subject: [PHP] jpeg photo file upload problem > >> > >> > >> Hi All, > >> > >> I have a system that allows a person to upload photos to the server > >> via an admin web form. > >> > >> I have been using the code for about a year with no problem. I > >> designed it specifically for a client of mine that has just started > >> cruising on a sailboat for a few years. > >> > >> They tryed uploading a photo from a public library via the web form > >> and they got the error message that it was not a jpeg file. > >> > >> The relevent PHP code from my system for the checking is: > >> > >> if ($type != "image/jpeg") { > >> $ReturnSaying = "!! The file is not a JPEG picture. Please try again"; > >> include("photo_error.php"); > >> exit; > >> > >> Anyway, this system has been tested and tested again on multiple > >> platforms and conditions, except a public library. > >> > >> Question: Is it possible that the library is using some proxy system > >> that is messing with the file so it comes out bad? > >> > >> Also, I have confirmed that the file is a jpeg file. > >> > >> Any ideas are greatly appreciated, > >> John > >> > >> -- > >> =========================== > >> John T. Beresford, Owner > >> Digital Studio Design > >> Edmond, OK > >> http://www.digitalstudiodesign.com/ > >> 405.760.0794 > >> > >> -- > >> PHP General Mailing List (http://www.php.net/) > >> To unsubscribe, visit: http://www.php.net/unsub.php > >> > > > > > >-- > >PHP General Mailing List (http://www.php.net/) > >To unsubscribe, visit: http://www.php.net/unsub.php > > -- > =========================== > John T. Beresford, Owner > Digital Studio Design > Edmond, OK > http://www.digitalstudiodesign.com/ > 405.760.0794 > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php >