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    <p>I have tried to recreate this problem using triggers, manually, changing server settings, doing my very best to #$%&amp; things up, using different data sizes but I never ever got only half a request in PHP. Simply because apache will not invoke PHP untill the request is completely done. See <a href="https://stackoverflow.com/questions/9991345/reading-chunked-post-data-in-php">this question about Reading “chunked” POST data in PHP</a></p> <p>So the only thing that can go wrong is that Jquery only gathers part of the data and then makes a POST request. Using just <code>$.post('save.php', data)</code> as you mentioned, that wont happen. Its either working to gather the data or its waiting for a response from the server. </p> <p>If you switch sites during the gathering, there wont be a request. And if you switch after the request has been made and you move away quickly, before all data has been transmitted, the apache server will see it as half a request and wont invoke PHP.</p> <p>Some suggestions:</p> <p>Is it possible that you are using seperate pages for succesfull and partial requests? Because PHP does only add the first 1000 elements to <code>$_POST</code> and perhaps the failed requests have more then <code>data1000=data</code> elements? So there wont be an EOF param.</p> <p>Is it possible that you are gathering the data in a global var in javascript and have an onbeforeunload method that sends data as well? Because then there might only be half the data in the POST.</p> <p>Can you share some information on the data you are seding? Are there a lot of small elements (like data1 till data10000) or a few large once? </p> <p>Is it always the same element that you receive last? Like always data6 as you mention? Because if it is, the chances of a failed attempt always at the exact same dataN field would be very slim.</p>
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    1. POjQuery post request interrupted: Only half of post parameters arrive
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    1. USHugo Delsing
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    1. COin my case it only goes wrong when one of the data parameters is very long (100kb e.g.)
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    2. CO@Horen Please check the net tab in Firebug as I suggested in my answer. The longer I think about it, the more I'm convinced that this will lead you to the root of the problem.
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    3. CO@stef77 The net tab doesn't give a lot of information. It says the request was aborted and displays the ajax post request in red.
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