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Nov 4th, 2009

session in php

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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)
<?php
include "koneksi.inc.php";
$name=$_POST['name'];
$password=$_POST['password'];
 
$hasil=mysql_query("SELECT * FROM TabelPegawai WHERE nama='$name' AND password='$password'");
$row=mysql_fetch_array($hasil);
 
if ($row[nama]==$name AND $row[password]==$password)
{
        session_start();
        $_SESSION['namauser']=$row[nama];
        $_SESSION['passuser']=$row[password];
        $_SESSION['level']=$row[jabatan];
 
	if($_SESSION['level']=="Manager")
		{header("location: manager.php");}
	else if($_SESSION['level']=="Kasir")
		{header("location:kasir.php");}
	else if($_SESSION['level']=="Gudang")
		{header("location:gudang.php");}
	else
		{header("location:http://www.google.com");}
}
else
       {header("location:http://www.yahoo.com");}
?>
<?php
include "koneksi.inc.php";
$name=$_POST['name'];
$password=$_POST['password'];

$hasil=mysql_query("SELECT * FROM TabelPegawai WHERE nama='$name' AND password='$password'");
$row=mysql_fetch_array($hasil);

if ($row[nama]==$name AND $row[password]==$password)
{
        session_start();
        $_SESSION['namauser']=$row[nama];
        $_SESSION['passuser']=$row[password];
        $_SESSION['level']=$row[jabatan];

	if($_SESSION['level']=="Manager")
		{header("location: manager.php");}
	else if($_SESSION['level']=="Kasir")
		{header("location:kasir.php");}
	else if($_SESSION['level']=="Gudang")
		{header("location:gudang.php");}
	else
		{header("location:http://www.google.com");}
}
else
       {header("location:http://www.yahoo.com");}
?>

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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AirGear

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Nov 4th, 2009

Re: session in php

Did you start the session on all the pages where you need to access your session variables?

Dave

filch

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Nov 4th, 2009

Re: session in php

Click to Expand / Collapse Quote originally posted by filch ...

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?

AirGear

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Re: session in php

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

am i right?

AirGear

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Re: session in php

Click to Expand / Collapse Quote originally posted by AirGear ...

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)
<?php
session_start();
session_destroy();
?>
<?php session_start(); session_destroy(); ?>
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)
if (!isset($_SESSION)) {
  session_start();
}
if (!isset($_SESSION)) {
  session_start();
}

Dave

filch

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Nov 4th, 2009

-1

Re: session in php

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).

ardav

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Re: session in php

Click to Expand / Collapse Quote originally posted by ardav ...

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

filch

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Nov 5th, 2009

Re: session in php

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)

AirGear

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