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1. khairun
   Member
   Posted 3 years ago #

   After upgrading my word press website to 2.7 the following message appear & my website cannot be seen

   Warning: implode() [function.implode]: Invalid arguments passed in /home/khairun/public_html/dknphoto/wp-includes/query.php on line 1805

   Warning: Cannot modify header information - headers already sent by (output started at /home/khairun/public_html/dknphoto/wp-includes/query.php:1805) in /home/khairun/public_html/dknphoto/wp-includes/pluggable.php on line 850

   How to correct this?

   Khairun

2. MichaelH
   Volunteer
   Posted 3 years ago #

   How do I solve the Headers already sent warning problem?

3. khairun
   Member
   Posted 3 years ago #

   I have solved the problem.

   I simply copy & paste the file query.php from wp ver 2.65 into the file query.php wp ver 2.7

   Thank you.

4. kswedberg
   Member
   Posted 3 years ago #

   I had the same problem after upgrading to 2.7.1. The implode function expects an array (because it "joins" the array into a string), but for some reason the value being passed into it is numeric. It meant have something to do with the contentboxes plugin for me. Anyway, it's easy to hack a fix for this in version 2.7's query.php, which, though still not ideal, is better (IMO) than replacing the whole file with an earlier version.

   Replace this (line 1805):

   $cat_string = "'" . implode("', '", $q['category__not_in']) . "'";

   With this:

   $cat_not_in = is_numeric($q['category__not_in']) ? array($q['category__not_in']) : $q['category__not_in'];
   $cat_string = "'" . implode("', '", $cat_not_in) . "'";

   Hope that helps.

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