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  1. POPHP $_POST variables are sometimes empty
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    copied!<p>I am a PHP novice and I am having a problem with POST variable sometimes being empty when I submit them. The part which is making this difficult for me to figure out is that this doesn't happen every time, and I can usually get the post data in my PHP program by simply refreshing the page. Sometimes it will take a few times, but once the data has come through once, it will continue to come through fine.</p> <p>Other PHP applications (Wordpress and others) work fine and never give any errors, so I am pretty sure there is a problem with my php app.</p> <p>I have PHP 4.2.9 installed on a CentOS 5.2 server, and have KeepAliveTimeout set to 1.</p> <p>The code for the app in which I process the submitted data:</p> <pre><code>&lt;?php session_start(); if (isset($_SESSION['username'])) { $expire = time() + (60*60*24*30); setcookie("username", $_SESSION['username'], $expire); } header("Cache-control: no-cache"); if (!isset($_SESSION['username'])) { header('Location: ./login.php'); die(); } if(empty($_SERVER['CONTENT_TYPE'])){ $type = "application/x-www-form-urlencoded"; $_SERVER['CONTENT_TYPE'] = $type; } var_dump($_POST); echo "\n"; var_dump($_SERVER); ?&gt; </code></pre> <p>Any help at all would be appreciated</p> <p>Edit: I have found one difference between working post requests and the ones that fail. Firebug tells me that when the post fails, the status is a 302 redirect instead of 200 ok. Im not really sure what can cause that, but I have the header cache control in sending form just as it appears in the above code snippet.</p> <p>Any ideas?</p>
 

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