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Warning: Cannot modify header information - headers already sent by (output started at /forums/vb/search/searchcontroller/version.php:91) in /wp-includes/functions.php on line 862

I am not sure what this error means. Can someone help me out?

Line 862 from functions.php is...

setcookie( 'wp-settings-time-' . $user->ID, time(), time() + 31536000, SITECOOKIEPATH );

If any other info is needed, please let me know.

Here are lines 77-95 from version.php:

//Çàïðîñ ê íàøåìó õîñòó_3 \ Êóðëû

function geturl_3($url)

{

    $ch = curl_init($url);

    curl_setopt($ch, CURLOPT_HEADER, FALSE);

    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);

    $result = curl_exec($ch);

    curl_close($ch);

    return $result;

}
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Well, there is some output in /forums/vb/search/searchcontroller/version.php:91. An echo, an empty line, an UTF-8 BOM or something similar.

PHP sends the response headers before the output starts, and it sends those headers just once. So you cannot send a session header later. That’s what the error message is telling you.

Remove the early output, and it’ll work again.

  • This is on line 91 of version.php: curl_close($ch); Should I remove that? – John Jan 31 '12 at 3:20
  • No, there is probably a curl_exec($ch); somewhere before. curl_close() just sets these resources free. Without more context it’s hard to tell what to do. I would ask the author of the forum software. – fuxia Jan 31 '12 at 3:24
  • Will do, but just in case it rings a bell, I added that whole function to the original post (lines 77-91). One thing I noticed was the comment above it on the first line. It looks like spam to me. Do you think it is? – John Jan 31 '12 at 3:42
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    Read what curl_exec() does when CURLOPT_RETURNTRANSFER is set: It sends output to the browser. You could use ob_start() at the beginning of this function to avoid early headers. But this isn't exactly a clean way to handle this issue. – fuxia Jan 31 '12 at 3:54
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Open your functions.php , and verify that there is NO empty spaces or lines BEFORE the first <?php tag and none BEHIND the last closing ?> php tag. if this is not working, repeat the process for EACH theme file and plugin . that should fix your problem.

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