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Asked: 2026-06-15T22:01:08+00:00

I’m uploading a image from Android to PHP server. But sometimes the image in

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I’m uploading a image from Android to PHP server. But sometimes the image in the server is wrong (the image is not exactly the same, it is not complete).
How can I check that I upload the picture correctly?

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1 Answer

  1. Editorial Team

    You could send the picture size along with the picture in the POST request. Then on the server side, check the received size matches the size passed as POST param and send back an error in the response if that did not match.

    More costly options would also be available:

    • Send the hash of the file (md5 or sha1) and check on both sides if they match
    • Try to read the picture in PHP and check it is a valid file
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