[SOLVED] Session problem!!!

budimir · July 2, 2008

Hey Guys,

I'm constantly getting an error message like this:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\wamp\www\erp\admin\servis\pregled.php:1) in C:\wamp\www\erp\admin\servis\include\session.php on line 2

I have checked for the output, whiote spaces, etc. But I couldn't solve the problem.

Can someone, please, take a look and tell me what's wrong??? I can't see it!

I have attached pregled.php where I'm getting the error message, and I have attached session.php which I include in pregled.php and in which I'm keeping all the data for the session.

Please help!!!!!

[attachment deleted by admin]

Lamez · July 2, 2008

move the start session to the very first line of your code, if that does not help check the white space around the opening and closing php tags, and as a last resort at this to the top of your code: ob_start();

budimir · July 2, 2008

1.) Start_session is at a first line of code

2.) There is no white spaces in a whole session.php and also no output

3. ) ob_start is not helping

What else could be wrong????

MasterACE14 · July 2, 2008

if your including one of those files, within another file, then put session_start() right at the very top after the <?php in the file its included in.

budimir · July 2, 2008

No, still not working!

What the hell....? ???

What else could it be??

When I'm including a file, session_start() is the first line of the included file. There is no output, there is no white spaces but, I'm getting an error message. Could it be that something is preventing session_start() from starting????

budimir · July 2, 2008

Ok, so I have done like this... It's a begining of the file where I get an error message:

<?php
ob_start();
session_start();
$session_id = session_id();
include ("include/db.php");
$upit = "SELECT * FROM korisnici WHERE session_id = '$session_id'";
$rezultat = mysql_query($upit,$veza) or die (mysql_error());
$row = mysql_fetch_array($rezultat);
$user_id = $row["id"];
$ime = $row["ime"];
$korisnicko_ime = $row["korisnicko_ime"];
$prezime = $row["prezime"];
$userData["status"] = $row["status"];
$lozinka = $row["lozinka"];
if (!$user_id){
header("Location:../../logout.php");
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
.....

This is the error message I'm getting:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\wamp\www\erp\admin\servis\pregled.php:1) in C:\wamp\www\erp\admin\servis\pregled.php on line 3

Any ideas????

mmarif4u · July 2, 2008

Can you try like this:

<?php
session_start();
ob_start();
...........
?>

budimir · July 2, 2008

No, not working.

This is what happens:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\wamp\www\erp\admin\servis\pregled.php:1) in C:\wamp\www\erp\admin\servis\pregled.php on line 2

Warning: Cannot modify header information - headers already sent by (output started at C:\wamp\www\erp\admin\servis\pregled.php:1) in C:\wamp\www\erp\admin\servis\pregled.php on line 16

budimir · July 2, 2008

An all other pages that file is not making any problems, but on this one it's making big problem.

Why????

I tried to edit it once with notepad, and after that I get a problem. Is it connected somehow??

mmarif4u · July 2, 2008

Did u include this page some where else in other scripts.

Where is line 16.

budimir · July 2, 2008

session.php is included in every page on the site. But it's only making a problem on that page.

Line 16 is with header:

if (!$user_id){
header("Location:../../logout.php");
}

budimir · July 2, 2008

OK, to make it clearer!

Session.php is a file where I keep all of my session info (you can see it beneath):

<?php
session_start();
ob_start();
$session_id = session_id();
include ("db.php");
$upit = "SELECT * FROM korisnici WHERE session_id = '$session_id'";
$rezultat = mysql_query($upit,$veza) or die (mysql_error());
$row = mysql_fetch_array($rezultat);
$user_id = $row["id"];
$ime = $row["ime"];
$korisnicko_ime = $row["korisnicko_ime"];
$prezime = $row["prezime"];
$userData["status"] = $row["status"];
$lozinka = $row["lozinka"];
if (!$user_id){
header "Location:../../logout.php");
}
$_SESSION['session_time'] = time(); //got the login time for user in second
$session_logout = 2000; //it means 15 minutes.
//and then cek the time session
if($session_logout >= $_SESSION['session_time']){
//user session time is up
//destroy the session
session_destroy();
//redirect to login page
header("Location:../../../index.php");
}
?>

I include it to pregled.php (you can see it beneath):

<?php
include("include/session.php");
?>

I have checked session.php for: output, white spaces, putted session_start() in a first line...

So, what else can I check??

mmarif4u · July 2, 2008

Where you include your session file in this script.i didn't see here.

If you include this script in other script and that script have already session.php included.please remove session from this script.

hope it will work this way.

<?php
session_start();
ob_start();
$session_id = session_id();
include ("db.php");
$upit = "SELECT * FROM korisnici WHERE session_id = '$session_id'";
$rezultat = mysql_query($upit,$veza) or die (mysql_error());
$row = mysql_fetch_array($rezultat);
$user_id = $row["id"];
$ime = $row["ime"];
$korisnicko_ime = $row["korisnicko_ime"];
$prezime = $row["prezime"];
$userData["status"] = $row["status"];
$lozinka = $row["lozinka"];
if (!$user_id){
header "Location:../../logout.php");
}
$_SESSION['session_time'] = time(); //got the login time for user in second
$session_logout = 2000; //it means 15 minutes.
//and then cek the time session
if($session_logout >= $_SESSION['session_time']){
//user session time is up
//destroy the session
session_destroy();
//redirect to login page
header("Location:../../../index.php");
}
?>

whiteboikyle · July 2, 2008

I was having alot of those problems to..

but i made a function using javascript and php

function header_sent($url){
echo "<script language=JavaScript>self.location.href='./$url'</script>";
}

then where you use your header(location) files do this

header_sent("URL.php");

bam it works

budimir · July 2, 2008

OK, I get what you mean!

But, it's not header which is making problems. The session_start() is causing a problem.

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\wamp\www\erp\admin\servis\pregled.php:1) in C:\wamp\www\erp\admin\servis\include\session.php on line 2

I don't understand what is keeping the session_start() from starting

budimir · July 2, 2008

Where you include your session file in this script.i didn't see here.

If you include this script in other script and that script have already session.php included.please remove session from this script.

hope it will work this way.

<?php
session_start();
ob_start();
$session_id = session_id();
include ("db.php");
$upit = "SELECT * FROM korisnici WHERE session_id = '$session_id'";
$rezultat = mysql_query($upit,$veza) or die (mysql_error());
$row = mysql_fetch_array($rezultat);
$user_id = $row["id"];
$ime = $row["ime"];
$korisnicko_ime = $row["korisnicko_ime"];
$prezime = $row["prezime"];
$userData["status"] = $row["status"];
$lozinka = $row["lozinka"];
if (!$user_id){
header "Location:../../logout.php");
}
$_SESSION['session_time'] = time(); //got the login time for user in second
$session_logout = 2000; //it means 15 minutes.
//and then cek the time session
if($session_logout >= $_SESSION['session_time']){
//user session time is up
//destroy the session
session_destroy();
//redirect to login page
header("Location:../../../index.php");
}
?>

This is how I include session.php:

<?php
include("include/session.php");
?>

budimir · July 2, 2008

1.) The pregled.php file:

<?php
include("include/session.php");
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">

body{
	font-size:0.8em;
	font-family: Trebuchet MS, Lucida Sans Unicode, Arial, sans-serif;
	margin:0px;
	padding:0px;
}
img{
	border:0px;
}
thead td{
	font-weight:bold;
	color:#000;
	background-color:#E2EBED;
}
td{
	padding:2px;
}
table{
	border:1px solid #000;
	border-collapse: collapse;
}
h1{
	font-size:1.3em;
	margin-bottom:0px;
}
table,h1,p,#ads{
	margin-left:10px;
}
#ads{
	margin-top:20px;
}

/* These classes are used by the script as rollover effect for table 1 and 2 */

.tableRollOverEffect1{
	background-color:#317082;
	color:#FFF;
}

.tableRollOverEffect2{
	background-color:#000;
	color:#FFF;
}

.tableRowClickEffect1{
	background-color:#F00;
	color:#FFF;
}
.tableRowClickEffect2{
	background-color:#00F;
	color:#FFF;
}

</style>
<script type="text/javascript">
/************************************************************************************************************
(C) www.dhtmlgoodies.com, November 2005

This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	

Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.

Thank you!

www.dhtmlgoodies.com
Alf Magne Kalleland

************************************************************************************************************/	
var arrayOfRolloverClasses = new Array();
var arrayOfClickClasses = new Array();
var activeRow = false;
var activeRowClickArray = new Array();

function highlightTableRow()
{
	var tableObj = this.parentNode;
	if(tableObj.tagName!='TABLE')tableObj = tableObj.parentNode;

	if(this!=activeRow){
		this.setAttribute('origCl',this.className);
		this.origCl = this.className;
	}
	this.className = arrayOfRolloverClasses[tableObj.id];

	activeRow = this;

}

function clickOnTableRow()
{
	var tableObj = this.parentNode;
	if(tableObj.tagName!='TABLE')tableObj = tableObj.parentNode;		

	if(activeRowClickArray[tableObj.id] && this!=activeRowClickArray[tableObj.id]){
		activeRowClickArray[tableObj.id].className='';
	}
	this.className = arrayOfClickClasses[tableObj.id];

	activeRowClickArray[tableObj.id] = this;

}

function resetRowStyle()
{
	var tableObj = this.parentNode;
	if(tableObj.tagName!='TABLE')tableObj = tableObj.parentNode;

	if(activeRowClickArray[tableObj.id] && this==activeRowClickArray[tableObj.id]){
		this.className = arrayOfClickClasses[tableObj.id];
		return;	
	}

	var origCl = this.getAttribute('origCl');
	if(!origCl)origCl = this.origCl;
	this.className=origCl;

}

function addTableRolloverEffect(tableId,whichClass,whichClassOnClick)
{
	arrayOfRolloverClasses[tableId] = whichClass;
	arrayOfClickClasses[tableId] = whichClassOnClick;

	var tableObj = document.getElementById(tableId);
	var tBody = tableObj.getElementsByTagName('TBODY');
	if(tBody){
		var rows = tBody[0].getElementsByTagName('TR');
	}else{
		var rows = tableObj.getElementsByTagName('TR');
	}
	for(var no=0;no<rows.length;no++){
		rows[no].onmouseover = highlightTableRow;
		rows[no].onmouseout = resetRowStyle;

		if(whichClassOnClick){
			rows[no].onclick = clickOnTableRow;	
		}
	}

}
</script>	

<title>Servisna mreža</title>
<link rel="stylesheet" type="text/css" href="style1.css" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
<!--
.style9 {color: #FFFFFF; font-size: 11px; font-weight: bold; }
-->
</style>
</head>
<body>
<div class="container">

<div class="titleblock">
<br />
<h1>Servisna mreža</h1><p>“Aplikacija za vođenje evidencije o servisima.”</p></div>

<div><ul class="navbar">
	 <li><a href="index.php" class="nav">Servisi</a></li>
	 <li><a href="izvjestaji.php" class="nav">Izvještaji</a></li>
	 <li><a href="popis_servisa_l.php" class="nav">Popis servisa</a></li>
	 <li><a href="naljepnice.php" class="nav">Naljepnice</a></li>
	 <li><a href="poruke/inbox.php" class="nav">Poruke</a></li>
         <li><a href="../servis/todo.php" class="nav">Taskovi</a></li>
</ul></div>

<div class="rightcontainer">

<div class="rightbox">
    <h2 align="center"><img src="fleche.gif"alt="arrow" /> Najviše posjeta</h2>
    <?php
//Ovdje izvlačim ID najposječenijeg servisa
$upit = "SELECT ID,COUNT(*) as highest FROM obilasci GROUP BY ID ORDER BY highest DESC limit 1";
$rezultat = mysql_query($upit,$veza);
$broj = mysql_num_rows($rezultat);
$i = 0;
while ($i<$broj){
$id12 = mysql_result($rezultat,$i,"id");
$highest2 = mysql_result($rezultat,$i,"highest");
echo "Broj obilazaka: <b>$highest2</b>";
$i++;
}


//Ovdje dobivam ime po ID-u najposječenijeg servisa
$upit2 = "SELECT * FROM opcenito where id = '$id12' LIMIT 1";
$rezultat2 = mysql_query($upit2);
$broj2 = mysql_num_rows($rezultat2);
$i2 = 0;
while ($i2<$broj2){
$naziv = mysql_result($rezultat2,$i2,"naziv");
echo "<br/>$naziv";
$i2++;
}
?>
    <h2 align="center"><img src="fleche.gif"alt="arrow" /> Najviše obilazio</h2>
    <?php
	$upit = "SELECT * FROM obilasci WHERE upisao = 'Budimir'";
$rezultat = mysql_query($upit,$veza);
$broj = mysql_num_rows($rezultat);

$upit2 = "SELECT * FROM obilasci WHERE upisao = 'Marijo'";
$rezultat2 = mysql_query($upit2);
$broj2 = mysql_num_rows($rezultat2);

if ($broj>$broj2){
echo "Budimir - $broj obilaska";
} else {
echo "Marijo - $broj2 obilaska";
}

?>
    <h2><img src="fleche.gif"alt="arrow"/> Pretraživač</h2>
<p>Upišite termin koji tražite: </p>
<form name="form" action="search.php" method="get">
  <input type="text" name="q" />
  <input type="submit" name="Submit" value="Traži" />
</form>
      <h2><img src="fleche.gif"alt="arrow" /> Link</h2>
   <p><a href="http://server2/" title="Husqvarna.hr">Husqvarna.hr</a><br />

  		 <a href="http://weborder.husqvarna.se/" title="HQ WebOrder">WebOrder</a><br />

  		 <a href="http://support.husqvarna.com/" title="Support Husqvarna">Support-Husqvarna</a><br />

  		 <a href="http://www.support.jonsered.com/" title="Support Jonsered">Support-Jonsered</a><br />

	 <a href="http://copsupport.husqvarna.com" title="Support-Partner">Support-Partner</a><br />

	 <a href="http://copsupport.husqvarna.com" title="Support-Flymo">Support-Flymo</a><br />

	 <a href="http://copsupport.husqvarna.com" title="Support-McCulloch">Support-McCulloch</a><br />
         
         <a href="http://support.automower.com" title="Support-Automower">Support-Automower</a></p>
    <h2><img src="fleche.gif"alt="arrow" /> Vrijeme i datum</h2>
<p>
    <?php
$vrijeme = date("H:i:s");
$datum = date("d.m.Y");
echo "$vrijeme | $datum";
?>
</p>
</div>
</div>

<div class="content">
<p> </p>
<table id="myTable" width="1080" height="41" border="0">
  <tr>
    <td width="152" height="15" bgcolor="#CCCCCC"><div align="center" class="style9">Naziv servisa</div></td>
    <td width="261" bgcolor="#CCCCCC"><div align="center" class="style9">Adresa</div></td>
    <td width="104" bgcolor="#CCCCCC"><div align="center" class="style9">Grad</div></td>
    <td width="104" bgcolor="#CCCCCC"><div align="center" class="style9">Telefon</div></td>
    <td width="113" bgcolor="#CCCCCC"><div align="center" class="style9">Mob</div></td>
    <td width="170" bgcolor="#CCCCCC"><div align="center" class="style9">Email</div></td>
    <td width="106" bgcolor="#CCCCCC"><div align="center" class="style9"><u>Opcije</u></div></td>
  </tr>

<?php 
//Upit na bazu
$upit = "SELECT * FROM opcenito WHERE aktivan = 1 ORDER BY naziv ASC";
$rezultat = mysql_query($upit,$veza); 
$broj = mysql_num_rows($rezultat);

$i=0;
while ($i < $broj) {
$id = mysql_result($rezultat,$i,"id");
$ime = mysql_result($rezultat,$i,"ime");
$prezime = mysql_result($rezultat,$i,"prezime");
$naziv = mysql_result($rezultat,$i,"naziv");
$mb = mysql_result($rezultat,$i,"mb");
$adresa = mysql_result($rezultat,$i,"adresa");
$adresa1 = mysql_result($rezultat,$i,"adresa1");
$ptt = mysql_result($rezultat,$i,"ptt");
$grad = mysql_result($rezultat,$i,"grad");
$zupanija = mysql_result($rezultat,$i,"zupanija");
$sifra = mysql_result($rezultat,$i,"sifra");
$email1 = mysql_result($rezultat,$i,"email1");
$telefon = mysql_result($rezultat,$i,"telefon");
$telefon1 = mysql_result($rezultat,$i,"telefon1");
$fax = mysql_result($rezultat,$i,"fax");
$mob = mysql_result($rezultat,$i,"mob");
$mob1 = mysql_result($rezultat,$i,"mob1");
$email = mysql_result($rezultat,$i,"email");
$web = mysql_result($rezultat,$i,"web");
$napomena = mysql_result($rezultat,$i,"napomena");
$os = mysql_result($rezultat,$i,"os");
$sos = mysql_result($rezultat,$i,"sos");
$soc = mysql_result($rezultat,$i,"soc");

?> 
  <tr> 
<script type="text/javascript">
function provjera(href){
var odgovor = confirm('Jeste li sigurni da želite obrisati sve podatke o servisu?');
return odgovor ? window.location = href : false;
}
</script>
    <td height="20" class="donja"><?php echo '<a href="detalji.php?id='.$id.'">'?> <?php echo "$naziv"; ?></td>
    <td class="donja"><?php echo "$adresa"; ?></td>
    <td class="donja"><?php echo "$grad"; ?></td>
    <td align="center" class="donja"><?php echo "$telefon"; ?></td>
    <td align="center" class="donja"><?php echo "$mob"; ?></td>
    <td class="donja"><?php echo "$email"; ?></td>
    <td align="center" class="donja"><?php if ($userData["status"] == 3){ echo '<a href="obrisi.php?id='.$id.'" onclick="provjera(this.href); return false;">Obriši</a>';} else { echo "";}?> <?php if ($userData["status"] == 3) { echo '<a href="izmjeni.php?id='.$id.'">Izmjeni</a>'; } else { echo ""; }?></a></td>
  </tr>
<?php
$i++;
}
?>
</table>
<hr />
<div align="right">
<?php
//Brojanje aktivnih servisa
$upit2 = "SELECT * FROM opcenito WHERE aktivan = 1";
$rezultat2 = mysql_query($upit2,$veza);
$broj2 = mysql_num_rows($rezultat2);
//Brojanje neaktivnih servisa
$upit3 = "SELECT * FROM opcenito WHERE aktivan = 0";
$rezultat3 = mysql_query($upit3,$veza);
$broj3 = mysql_num_rows($rezultat3);
?>
<td><?php echo "Broj aktivnih servisa = $broj2";?></td><br />
<td><?php echo "Broj nekativnih servisa = $broj3";?></td><br />
  <td><b><?php echo "Ukupni broj servisa u bazi = $broj";?></b></td>
</div>
<br />

</div>
<script type="text/javascript">
addTableRolloverEffect('myTable','tableRollOverEffect1','tableRowClickEffect1');
addTableRolloverEffect('myTable2','tableRollOverEffect2','tableRowClickEffect2');
</script>
<div class="footer">
  <div class="right">
    <p><?php include ("include/footer.php");?></p>
  </div>
</div>
<?php mysql_close($veza);?>
</div>
</body>
</html>

2.) The session.php file:

<?php
session_start();
$session_id = session_id();
include ("db.php");
$upit = "SELECT * FROM korisnici WHERE session_id = '$session_id'";
$rezultat = mysql_query($upit,$veza) or die (mysql_error());
$row = mysql_fetch_array($rezultat);
$user_id = $row["id"];
$ime = $row["ime"];
$korisnicko_ime = $row["korisnicko_ime"];
$prezime = $row["prezime"];
$userData["status"] = $row["status"];
$lozinka = $row["lozinka"];

if (!$user_id){
header ("Location:../../logout.php");
}

$_SESSION['session_time'] = time(); //got the login time for user in second
$session_logout = 2000; //it means 15 minutes.
//and then cek the time session
if($session_logout >= $_SESSION['session_time']){
//user session time is up
//destroy the session
session_destroy();
//redirect to login page
header("Location:../../../index.php");
}
?>

The error message on the file:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\wamp\www\erp\admin\servis\pregled.php:1) in C:\wamp\www\erp\admin\servis\include\session.php on line 2

Warning: Cannot modify header information - headers already sent by (output started at C:\wamp\www\erp\admin\servis\pregled.php:1) in C:\wamp\www\erp\admin\servis\include\session.php on line 16

whiteboikyle · July 2, 2008

uhmm do @session_start(); or put it inside the <head></head>

budimir · July 2, 2008

No, still the same!

PFMaBiSmAd · July 2, 2008

When the error refers to output started at line 1, there are two possible causes.

There is actual content (characters, space, tab, newline) before the <?php tag OR the file is saved in UTF-8 format and the BOM (byte order mark) characters at the start of the file are being output to the browser.

Assuming you have already checked for any actual content in the file before the <?php tag, make sure your file is saved in ANSI/ASCII mode or if you must save it as UTF-8, use an editor that allows you to save it without the BOM.

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[SOLVED] Session problem!!!

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