May I ask what causes the PHP session to be lost?
After successful login, set session, and then output session to see the session settings successfully.
But the jump after the output session is blank.
Server LINUX,APACHE,PHP5.
Before the program is completely normal, but the server power down after the restart is this
This session has been saved in the/tmp folder, but the page after the jump, then look at the value of this session is empty.
But on my native test, this problem does not occur. The system I used was windowxp, and there was a problem with the configuration. Or is it that some files are missing after the server restarts?
The cookie still exists, and the session is lost.
------Solution--------------------
if (Empty ($_session["UserName"]) and Empty ($_cookie["UserName"]))
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Is it a catalogue?
------Solution--------------------
Session_Start () cannot have any output in front of
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