New Session created on every page refresh - php

Question

I am working on a PHP application wherein, i have written a Session Class. However, i am running into a strange issue. Everytime i refresh the page a new session is created.
Also, C:\xampp\tmp is writable (i am on xampp) and session_id() always returns null.
Below is my Session Class
<?php
/**
* Class and Function List:
* Function list:
* - __construct()
* - start()
* - stop()
* - generate_sid()
* - set()
* - delete()
* - get()
* - check()
* - flash()
* Classes list:
* - Session
*/
class Session
{
public $flashElements = array();
public function __construct($autoStart = true)
{
$this->started = isset($_SESSION);
e("The Session Id is " . session_id());
if (!is_writable(session_save_path()))
{
echo 'Session save path "' . session_save_path() . '" is not writable!';
}
e(session_save_path());
if ($this->started && $autoStart === false)
{
$this->start();
}
e("The Session Id is " . session_id());
}
public function start()
{
if (!$this->started)
{
session_id($this->generate_sid());
session_start();
$this->started = true;
}
}
public function stop($clearCookie = true, $clearData = true)
{
if ($this->started)
{
if (($clearCookie) && Configure::get('session.useCookie'))
{
$params = session_get_cookie_params();
setcookie(session_name() , '', time() - 42000, $params["path"], $params["domain"], $params["secure"], $params["httponly"]);
}
if ($clearData)
{
$_SESSION = array();
}
session_destroy();
session_write_close();
$this->started = false;
}
}
public function generate_sid($chars = 100, $alpha = true, $numeric = true, $symbols = true, $timestamp = true)
{
if ($chars < 0 || !is_numeric($chars))
{
return false;
}
$salt = Configure::get('security.salt');
if ($alpha)
{
$salt.= 'abcdefghijklmnopqrstuvwxyz';
}
if ($numeric)
{
$salt.= '1234567890';
}
if ($symbols)
{
$salt.= '-_';
}
$sid = null;
for ($i = 1;$i <= $chars;$i++)
{
$sid.= $saltmt_rand(0, strlen($salt) - 1);
if (mt_rand(0, 1) === 1)
{
$sid
{
strlen($sid) - 1} = strtoupper($sid
{
strlen($sid) - 1});
}
}
if ($timestamp)
{
$sid.= time();
}
return $sid;
}
public function set($keyword, $value)
{
$_SESSION[$keyword] = $value;
}
public function delete($keyword)
{
unset($_SESSION[$keyword]);
$this->flashElements[$keyword] = null;
unset($this->flashElements[$keyword]);
}
public function get($keyword)
{
$returnVar = isset($_SESSION[$keyword]) ? $_SESSION[$keyword] : false;
if (isset($this->flashElements[$keyword]))
{
$this->delete($keyword);
}
return $returnVar;
}
public function check($keyword)
{
return isset($_SESSION[$keyword]) ? true : false;
}
public function flash($value)
{
$this->set('flash', $value);
$this->flashElements['flash'] = $value;
}
}
Please suggest where am i going wrong

Answer 1

I think you're not creating a session because you only call the start function when
$autostart === false
Where it is true by default;

Answer 2

Silly of me. Got it working.
changed the below code in __construct() function
if ($this->started == false && $autoStart != false)
{
$this->start();
}
Thanks Guys!