sunshine sunshine - 4 days ago 6
PHP Question

retrieve array values , print and substitute in URL

I am trying to extract the value of instance from $sess_data and replace it in the URL using codeigniter.

My code is as below:

$uresult = $this->user_model->get_user($email, $password);

if (count($uresult) > 0) {

// set session

$sess_data = array(
'login' => TRUE,
'uname' => $uresult[0]->fname,
'uid' => $uresult[0]->id,
'instance' => $uresult[0]->instance
);

$this->session->set_userdata($sess_data);

foreach ($sess_data as $object) {
echo $object->sess_data;
}

die;

redirect('http://www.example.com/"instance"', 'refresh');

} else {

$this->session->set_flashdata('msg', '<div class="alert alert-danger text-center">Wrong Email-ID or Password!</div>');
redirect('login/index');
}


I need to extract this value
instance' => $uresult[0]->instance
and replace the URl instance part with this value, so that it goes to that particular URL. I am getting 5 errors withe 4 of them being Severity: Notice

Message: Trying to get property of non-object

and 1 error saying


A PHP Error was encountered

Severity: Notice

Message: Uninitialized string offset: 3

Filename: controllers/login.php

Line Number: 38


My Model code is :



<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class user_model extends CI_Model
{
function __construct()
{
parent::__construct();
}

function get_user($email, $pwd)
{
$this->db->where('email', $email);
$this->db->where('password', md5($pwd));
$query = $this->db->get('user');
return $query->result();
}

// get user
function get_user_by_id($id)
{
$this->db->where('id', $id);
$query = $this->db->get('user');
return $query->result();
}

// insert
function insert_user($data)
{
return $this->db->insert('user', $data);
}
}?>




Answer

You can try it by updating foreach loop like below..

foreach ($sess_data as $key => $object) {
    echo $key."=>".$object."<br />";
}
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