What causes PHPSESSION loss? After successful login, set the session, and output the session to see that the session is successfully set. & Nbsp; but the output session after the jump is blank. & Nbsp; what causes php session loss in linux, apache, and php5?
After successful login, set the session, and output the session to see that the session is successfully set.
However, after the jump, the output session is blank.
Linux, apache, and php5.
Previously, the program was completely normal, but the server was restarted after power failure.
This Session has been saved in the/tmp folder, but the value of this Session is blank after the page jump.
However, this problem does not occur when testing on my local machine. My system is WindowXP. Is there any problem with the configuration. Or are some files lost after the server is restarted?
The Cookie still exists, that is, the session is lost.
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If (empty ($ _ SESSION ["UserName"]) and empty ($ _ COOKIE ["UserName"])
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Is it a directory?
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Session_start () cannot have any output
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