session variable use in another php page

Question

I want to use session variable in another page. I used data which is got from database to store in variable. When I try to use it another page error god undefined index. Code is below. help me to solve this

    <?php
    session_start();
    require('dbconnection.php');
    $output='';
    $sql="select * from vacancy";
    $res=mysqli_query($conn,$sql);
    if(mysqli_num_rows($res)>0){

    while($row=mysqli_fetch_assoc($res)){
    $imageno=$_SESSION[$row['vacancyid']];
    ?>

other.php page

    <?php
    session_start();
    ?>
    <div>
    <?php

    $src='images/vacancy/'.$_SESSION["imageno"].'.jpg';
    echo "<img src='".$src."'>";
    ?>
    </div>

You need to store $imageno in session variable!!

Saty
– Saty

2017-05-01 13:25:09 +00:00
Commented May 1, 2017 at 13:25 — Saty
– Saty, Commented May 1, 2017 at 13:25

David · Accepted Answer · 2017-05-01 13:24:53Z

4

This isn't setting a session variable, it's trying to read one:

$imageno=$_SESSION[$row['vacancyid']];

It sounds like you meant to do this instead:

$_SESSION["imageno"] = $row['vacancyid'];

That is, to read the database row and set the value to the session.

answered May 1, 2017 at 13:24

David

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Comments

user7378606 · Accepted Answer · 2017-05-01 13:28:45Z

0

To get user details for every page you have to include this in your every page

   <?php
session_start();
require('dbconnection.php');
$output='';
$sql="select * from vacancy";
$res=mysqli_query($conn,$sql);
if(mysqli_num_rows($res)>0){

while($row=mysqli_fetch_assoc($res)){
$_SESSION["imageno"] = $row['vacancyid'];
?>

answered May 1, 2017 at 13:28

user7378606

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