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What is proid used for? urldecode($_GET['proid']) reports error
$rs2=mysqli_query($link,"select * from lend where book_id='".$rows['id']."' and user_id=' ".$_SESSION['id']."'");
$_SESSION['id'] reports an error, how to correct it?
Solution
猪老湿2021-06-21 09:46:40
Print out the $_SESSION array, and is the session open?
