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Editorial Team
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Asked: 2026-06-09T01:08:06+00:00

I recently migrated from a Windows to Linux server… now I am getting a

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I recently migrated from a Windows to Linux server… now I am getting a bunch of session warnings and some of the content is being loaded properly. On the Windows server, everything worked smooth and I never had any errors, as soon as the migration to Linux took place, I started getting session warnings such as the one below on every page that uses sessions.

I have no idea what I should try or where to begin to address these problems and would appreciate any advice.

I suspect that if session_start() was actully was the problem, I would have gotten a similar warning on the Windows server.

Also my site is hosted by goaddy and I do not have access to the php.ini file…

        Warning: session_start() [function.session-start]: Cannot send session
 cookie - headers already sent by (output started 
    at /home/content/12/9453412/html/mainsearch.php:32) 
    in /home/content/12/9453412/html/mainsearch.php on line 36
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1 Answer

  1. Editorial Team

    Your problem is, that in

    /home/content/12/9453412/html/mainsearch.php line 32

    (and possibly also in the following ones) you do some kind of output (echo, print, blanks outside of <?php ... ?> etc.), before you do session_start(); on line 36. This is not allowed, as session_start() wants to send headers which is not possible after some kind of output already occured.

    Solution: Put your session_start(); to the top of your php file, or at least before you do any kind of output.

    And Michael pointed out correctly that this didn’t work correctly on you Windows server either, you just didn’t know because error reporting was set not to display warnings.

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