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POHow to kill a PHP session?
 

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  1. POHow to kill a PHP session?
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    <p>This general topic has come up before, <a href="https://stackoverflow.com/questions/252907/why-does-session-start-cause-a-timeout-when-one-script-calls-another-script-using">here</a>, <a href="https://stackoverflow.com/questions/4333209/session-start-hangs">here</a>, <a href="https://stackoverflow.com/questions/2902595/i-call-session-start-the-script-hangs-and-nothing-happens">here</a>, and no doubt elsewhere on the internet as well. In my case, unlike these, the hang arises from a blocking socket that never gets a message, and perhaps that's why the solutions described there haven't worked for me. I'm developing in tandem a C++ app which communicates with the php script via a local socket connection, and when the C++ app crashes, it leaves the php script's socket waiting for a message that never comes. I've tried using session_destroy and session_unset (calling these first in a script before session_start) but they don't work; even quitting and restarting the browser doesn't help. I can only stop the session if I remove the session_start, reload the script and then end the session via the client. How can I kill the session without having to go through that?</p> <p>Edit: I forget to mention, I also tried to time the socket out with</p> <pre><code>socket_set_option($socket,0, SO_RCVTIMEO, array("sec"=&gt;1, "usec"=&gt;0)); </code></pre> <p>But I got an 'invalid operation' error, and it didn't work.</p> <p>Edit 2: Setting a manual timeout, following the tip <a href="https://stackoverflow.com/questions/389645/php-how-to-set-a-timeout-on-socket-read">here</a>, worked well enough. I still don't know how to, in general, kill a session that's e.g. stuck in an infinite loop, but oh well.</p>
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    1. USMatt Phillips
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    1. COok, now with the value 1 i don't know, what the problem is :)
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      1. USFlorian
    2. CO@levu It looks like the option isn't even getting set. Can you not set SO_RCVTIMEO for a local socket? I don't see what's wrong with my syntax there. '0' as protocal works for socket_create.
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