session in php

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session in php

 
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  #1
Nov 4th, 2009
i'm a newbie in php and maybe my question is so silly.

i tried to create a session in a file named login.php
PHP Syntax (Toggle Plain Text) 
  1. <?php
  2. include "koneksi.inc.php";
  3. $name=$_POST['name'];
  4. $password=$_POST['password'];
  5.  
  6. $hasil=mysql_query("SELECT * FROM TabelPegawai WHERE nama='$name' AND password='$password'");
  7. $row=mysql_fetch_array($hasil);
  8.  
  9. if ($row[nama]==$name AND $row[password]==$password)
  10. {
  11.         session_start();
  12.         $_SESSION['namauser']=$row[nama];
  13.         $_SESSION['passuser']=$row[password];
  14.         $_SESSION['level']=$row[jabatan];
  15.  
  16. 	if($_SESSION['level']=="Manager")
  17. 		{header("location: manager.php");}
  18. 	else if($_SESSION['level']=="Kasir")
  19. 		{header("location:kasir.php");}
  20. 	else if($_SESSION['level']=="Gudang")
  21. 		{header("location:gudang.php");}
  22. 	else
  23. 		{header("location:http://www.google.com");}
  24. }
  25. else
  26.        {header("location:http://www.yahoo.com");}
  27. ?>

but, $_SESSION['level'] is not recognized in other files like manager.php, gudang.php, and kasir.php

is there something wrong with my code?
thanks for your helps.
Last edited by AirGear; Nov 4th, 2009 at 3:32 pm.
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  #2
Nov 4th, 2009
Did you start the session on all the pages where you need to access your session variables?

Dave
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  #3
Nov 4th, 2009
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Originally Posted by filch View Post
Did you start the session on all the pages where you need to access your session variables?

Dave
no, i only start the session in login.php
do i need to start the session in every page?
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  #4
Nov 4th, 2009
oh, it works if i start the session in every page that needs session variables. i also must start the session in a php file that destroy the session right? like this :
PHP Syntax (Toggle Plain Text) 
  1. <?php
  2. session_start();
  3. session_destroy();
  4. ?>

am i right?
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  #5
Nov 4th, 2009
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Originally Posted by AirGear View Post
oh, it works if i start the session in every page that needs session variables. i also must start the session in a php file that destroy the session right? like this :
PHP Syntax (Toggle Plain Text) 
  1. <?php
  2. session_start();
  3. session_destroy();
  4. ?>

am i right?
Yes but obviously, not until you are finished with it. You should also test whether a session has already been started or not before you try and start another one i.e.

PHP Syntax (Toggle Plain Text) 
  1. if (!isset($_SESSION)) {
  2.   session_start();
  3. }

Dave
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  #6
Nov 4th, 2009
You don't need to check. session_start() will not start a new session overwriting the old one. It just propagates.
session_destroy wouldn't be used very often, unless in a logout page or similar. You wouldn't have a session_start in this file as well (I don't think).
Happy Humbugging Christmas
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Nov 4th, 2009
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Originally Posted by ardav View Post
You don't need to check. session_start() will not start a new session overwriting the old one. It just propagates.
session_destroy wouldn't be used very often, unless in a logout page or similar. You wouldn't have a session_start in this file as well (I don't think).
OK .. that's your choice. It is simply good practice.

D
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  #8
Nov 5th, 2009
thanks guys. i think i still need to insert session_start() in logout php, i have tried it.
@Dave : thanks so much for the solution
@Ardav : thanks (again)
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