mysql - Session variable was empty in php
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login.php
<?php
ob_start();
session_start();
include '../config.php';
if( (isset($_SESSION['can-id']) )) {
header('location: ../home/profile.php');
}
if(isset($_POST['can-login']))
{
$email=$_POST['email'];
$password=$_POST['password'];
$sql="SELECT * FROM `user_credentials` WHERE `email`=:email AND `password`=:password";
$pdoResult=$conn->prepare($sql);
$pdoExec=$pdoResult->execute(array(":email"=>$email,":password"=>$password));
$pdoResult->setFetchMode(PDO::FETCH_ASSOC);
$count=0;
$uid='';
while ($r=$pdoResult->fetch()) {
# code...
$count+=1;
$uid=$r['email'];
}
if ($count==1) {
# code...
$_SESSION['can-id']=$uid;
header('location: ../home/profile.php');
}
else
{
$_SESSION['error']="login failed";
}
}
?>
<html>
....
</html>
profile.php
<?php
ob_start();
session_start();
if (!(isset($_SESSION['can-id']))) {
# code...
header('location: ../login/');
}
else
{
$cid=$_SESSION['can-id'];
}
?>
<h1 ><?php echo $cid;?></h1>
This is my code after log in the page was redirected to profile.php page but in profile page session variable doesn't printed I don't know why but this problem was not occuring every time I log in It occurs sometimes so I can't find what is the problem. Anyone knows please help me to solve the problem.
Answer
Solution:
Remove ob_start() from your login.php Don't put session_start() in all of your file
e.g login.php, profile.php, etc
but instead, add this to your config.php for example:
<?php
session_start();
//.. config variables here
Then, include config.php also in your profile.php.
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