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I am getting errors like

Warning: explode() expects parameter 2 to be string, array given in /data/www/ae/wp-includes/query.php on line 2390
Warning: in_array() expects parameter 2 to be array, null given in /data/www/ae/wp-includes/query.php on line 2399
Warning: in_array() expects parameter 2 to be array, null given in /data/www/ae/wp-includes/query.php on line 2399
Warning: in_array() expects parameter 2 to be array, null given in /data/www/ae/wp-includes/query.php on line 2399
Warning: in_array() expects parameter 2 to be array, null given in /data/www/ae/wp-includes/query.php on line 2399
Warning: in_array() expects parameter 2 to be array, null given in /data/www/ae/wp-includes/query.php on line 2399
Warning: in_array() expects parameter 2 to be array, null given in /data/www/ae/wp-includes/query.php on line 2399
Warning: in_array() expects parameter 2 to be array, null given in /data/www/ae/wp-includes/query.php on line 2399
Warning: in_array() expects parameter 2 to be array, null given in /data/www/ae/wp-includes/query.php on line 2399

Whats wrong?

  • Have your tried disabling all plugins and switching to default theme? Do the errors still appear? If you do that we can narrow down what is causing the errors – Brady Jun 17 '11 at 10:09
1

Installing the hotfix plugin may help to solve the problem. http://wordpress.org/extend/plugins/hotfix/

Currently I am using wordpress3.1.3 and got same type errors while browsing the media(media list page) in admin panel and hotfix plugin solves that.

2

You're not alone. It's a problem with a variable type assumption in WP_Query. I fixed it by editing line 2390 in wp-includes/query.php from this;

$q_status = explode(',', $q['post_status']);

To this:

$q_status = is_array( $q['post_status'] ) ? $q['post_status'] : explode(',', $q['post_status']);

I was going to submit to trac, but I've just checked the trunk and it looks like it's already been fixed. Hopefully it'll make the next release :)

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I was experiencing this problem after upgrading to 3.1.3, too. The manual fix you described didn't work for me. I might have overlooked something but couldn't find it if I did.

As suggested by some other users, I installed the Wordpress Hotfix plugin and it corrected the problem...

Michael

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First of all open query.php file into wp-includes folder. find this code..

if ( isset($q['post_status']) && $q['post_status'] != '' ) { $statuswheres = array(); $q_status = explode(',', $q['post_status']);

and Replace with :--

if ( ! empty( $q['post_status'] ) ) { $statuswheres = array(); $q_status = $q['post_status']; if ( ! is_array( $q_status ) ) $q_status = explode(',', $q_status);

0

install http://wordpress.org/extend/plugins/hotfix/ and it'll fix it.

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