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Error Message: A Session Had Already Been Started - Ignoring Session_start().


I get this error message: A session had already been started - ignoring
session_start().

How can I check to see if a session was started already?


View 4 Replies (Posted: January 16th, 2006 10:55 PM)

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Related Forum Messages:
Notice: A Session Had Already Been Started - Ignoring Session_start()
Notice: A session had already been started - ignoring session_start() in. Is there anything I need to do to correct this error message.

Posted: 02-02-2006, 08:19 AM

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Warning: Session_start() [function.session-start]: Cannot Send Session Cookie Headers Already Sent By (output Started At C:
Warning: session_start() [function.session-start]: Cannot send session cookie headers already sent by (output started at C:AppServwwwindex.php:1) in C:AppServwwwindex.php on line 3

Warning: session_start() [function.session-start]: Cannot send session cache limiter headers already sent (output started at C:AppServwwwindex.php:1) in C:AppServwwwindex.php on line 3

Warning: Cannot modify header information headers already sent by (output started at C:AppServwwwindex.php:1) in C:AppServwwwindex.php on line 4.

Posted: 07-04-2007, 01:54 PM

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Warning: Session_start() [function.session-start]: Cannot Send Session Cache Limiter - Headers Already Sent (output Started At
I found a wonderful Captcha script and it works wonderfully, except when i use include to put it into another file...
I get this error message:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/user/public_html/index.php:12) in /home/user/public_html/securimage.php on line 386
After some short research here it appears that this happens because there is already HTML output in the main page..

I am using the include function to add it (the form) to the regular index.php page.... Do I need to add something in the headers to prevent this? Code:

Posted: October 15, 2007, 05:54:09 PM

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Warning: Session_start() [function.session-start]: Cannot Send Session Cache Limiter - Headers Already Sent (output Started At C:xampphtdocsestprocessUpload.php:4)
I just installed Xampp as its the only way i can get PHP, mySql and phpMyAdmin to work on vista. I have code which normally works on another machine but now im getting this error. Code:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:xampphtdocs estprocessUpload.php:4)

Any ideas why i would be getting this error now?

Posted: 06-13-2007, 09:37 PM

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Warning: Session_start(): Cannot Send Session Cache Limiter - Headers Already Sent (output Started At
I keep receiving this error message, could someone explain its meaning and how to rectify it.

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /usr/home/gavinm/public_html/production/index.php:5) in /usr/home/gavinm/public_html/production/login/loggedin.php on line 3

Posted: 02-16-2006, 08:03 PM

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Warning: Session_start() [function.session-start]: Cannot Send Session Cache Limiter - Headers Already Sent (output Started At /home/user/public_html/index.php:8) In /home/user/public_html/nmdeluxe/index.php On Line 2
I'm having a problem with one of my files. I keep on getting the following error:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/user/public_html/index.php:8) in /home/user/public_html/nmdeluxe/index.php on line 2

The second line of the nmdeluxe/index.php file has the session_start(); code. There aren't any spaces before the <?php line. The file is in ANSI form. I'm also including this file in one of my other files using PHP includes.

<? include("/home/user/public_html/nmdeluxe/index.php") ?>

The public_html/index.php has that code in it. The nmdeluxe/index.php does include itself into the public_html/index.php file, but I that error message appears at the top of the page. How can I fix this?

Posted: 11-13-2007, 05:14 PM

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Warning: Session_start() [function.session-start]: Cannot Send Session Cookie - Headers Already Sent By (output Started At /home/comm/public_html/local_dynamic/br.php:6) In /home/comm/public_html/local_dynamic/br.php On Line 168
A visitor selects some options from a page and press the submit button,then the second page shows his selected options and there he fill his details and again press the submit button then the selected options with his details is stored in db

i have used sessions to move the data from one page to another.with localhost it is working good but when i upload the scripts to my site it is showing following warnings.how to overcome with this.

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/comm/public_html/local_dynamic/br.php:6) in /home/comm/public_html/local_dynamic/br.php on line 168

Posted: 11-01-2006, 05:02 PM

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Warning: Session_start() [function.session-start]: Cannot Send Session Cookie - Headers Already Sent By (output Started At /opt/lampp/htdocs/xampp/phplogin3.php:38) In /opt/lampp/htdocs/xampp/phplogin3.php On Line 48
I have a simple login page which passess username and password to a php script. I am using php 5.0.4, mysql 4.1.12, apache 2.0.54. I get these warning messages when the form variables get passed to my php script

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /opt/lampp/htdocs/xampp/phplogin3.php:38) in /opt/lampp/htdocs/xampp/phplogin3.php on line 48

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /opt/lampp/htdocs/xampp/phplogin3.php:38) in /opt/lampp/htdocs/xampp/phplogin3.php on line 48
Success!

The variables i passed are passing fine, I echo'd them to check. Code:

Posted: 07-20-2005, 12:37 PM

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Error : Warning: Session_start() [function.session-start]: Cannot Send Session Cookie
PHP Code:

<?php
session_start();
?>
<HTML>
<BODY>
TEST ONE
</BODY>
</HTML>

this is my simple code but after i upload to my server, i always get this error :Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by i really feel stressful now because of this god damn simple problem.

Posted: May 9th, 2010, 01:18 AM

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"Warning: Session_start() [function.session-start]: Cannot Send Session Cookie - Headers Already Sent" When Calling Session_start() First In File?
<?php
session_start();
$_SESSION['start']=1;
echo $_SESSION['start'];
?>

Output in FF:

Warning: session_start()[function.session-start]: Cannot send session cookie - headers already sent
by (output started at .../test.php:1)in.../test.php on line 10

Warning: session_start()[function.session-start]: Cannot send session cache limiter - headers already sent by (output started at .../test.php:1) in.../test.php on line 10

Posted: Apr 22 at 17:10

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Session_start(): Cannot Send Session Cookie Error
Warning: session_start(): Cannot send session cookie - headers already sent by

Warning: session_start(): Cannot send session cache limiter - headers already sent

The php file calls a "check login" script ,which I've pasted below, I know this is a common problem with whitespace above the session_start call, but I can't see any in my code, Code:

Posted: 03-15-2006, 05:42 AM

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Error -Cannot Send Session Cookie - Headers Already Sent By (output Started At Somefile:someline)
I'm new to PHP sessions and I've come across the following error:

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at somefile:someline).

As well as this one:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent by (output started at somefile:someline).

The session_start(); is the very first thing in all of my code. I'm not sure what the problem is. It gave me line numbers but all I do on those lines is start the session.

Also - I have a portion of code whose POST action is another PHP page. How can I set a $_SESSION variable pertaining to this page within that action page?

Posted: Feb 17 at 7:22

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Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at E:Program Filesxampphtdocscseevent_coord_home.php:1) in E:Program Filesxampphtdocscseevent_coord_home.php on line 3

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Warning: Cannot modify header information - headers already sent by (output started at E:Program Filesxampphtdocscseevent_coord_home.php:1) in E:Program Filesxampphtdocscseevent_coord_home.php on line 7

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Posted: 12-30-2005, 04:53 PM

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An error occurred in script 'C:xampphtdocsgofasterincludesheader.php' on line 10: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at C:xampphtdocsgofasterincludesconfig.inc.php:68)

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Posted: February 15, 2011, 08:21:23 AM

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Warning: Session_start() [function.session-start]: Cannot Send Session Cache Limiter
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Warning: Session_start() [function.session-start]: Cannot Send Session Cookie - Headers Already Sent
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[/script]

And this is the error I get. Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at E:htdocsoutsitenamescriptname.php:1) in E:htdocsoursitenamescriptname.php on line 2

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at E:htdocsoursitenamescriptname.php:1) in E:htdocsoutsitenamescriptname.php on line 2

I don't have an .htaccess file, so it can't be something in there. The only other thing I can think of is some kind of configuration error, BUT sessions work on other scripts... To give a little background, this script, has an inner frame, and the script in the inner frame, has a session start in it (this has all been taken out now).

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I am new to PHP, but yet I have decided to try and tackle a huge obstacle. To learn and to program PHP. Anyways I have been using an example in my PHP book, and to modify it in my own terms. Anyways I have a problem, and not exactly sure how to proceed from here. I've read that session_start(); must go before all html code and must have no white space. I believe this is true for my site but not sure. Maybe a second pair of eyes and more knowledge could help me understand why I am getting this warning. Here's my Warning- Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/YourSite/public_html/news.php:9) in /home/YourSite/public_html/header.php on line 3

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<?php //news.phpinclude_once 'header.php';?>
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Warning: Session_start() [function.session-start]: Cannot Send Session Cookie
I've wrote a login script thats self contained, in other words all the checking etc.. is contained in the same file, i.e password checking etc...

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Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at d:inetpubwwwrootac-kreationsadminauthadmin.php:1) in d:inetpubwwwrootac-kreationsadminauthadmin.php on line 4

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at d:inetpubwwwrootac-kreationsadminauthadmin.php:1) in d:inetpubwwwrootac-kreationsadminauthadmin.php on line 4

Here's the start of the code. PHP Code:

Posted: April 30th, 2003, 12:59 PM

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Warning: Session_start () [function.session-start]: Can Not Send Session Cookie
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knowing that I had not this problem locally on windows the code for my file is as follows:

<? Php
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Warning: Session_start() [function.session-start]: Cannot Send Session Cache Limiter - Session_destory();
I'm getting this error: Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent ... output started at blah blah blah.... on line 1.

Line one is <?php session_start();

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Posted: 07-01-2006, 05:23 AM

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The code:

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1. TESTD.php CODE
2. TESTE.php CODE
3. TESTD display
4. TESTE display which includes the Warning

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Posted: January 25, 2010, 02:52:34 AM

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Warning: Session_start() [function.session-start]: Cannot Send Session Cache Limiter - Headers Already Sent?
whats wrong with this?

<?php
session_start();
// store session data[code]....

QuoteWarning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at D:Program Filesxamppxampphtdocssessions.php:1) in D:Program Filesxamppxampphtdocssessions.php on line 2

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at D:Program Filesxamppxampphtdocssessions.php:1) in D:Program Filesxamppxampphtdocssessions.php on line 2
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Explanation? 

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