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I have the following code:

global $post;
$current_post = $post->ID;
$array=range(1,$current_post);
$posts = get_posts('numberposts=5&post__in=' . $array . '&category='. $category->term_id . '&exclude=' . $current_post);

The error appeared is Warning: array_map() [function.array-map]: Argument #2 should be an array in /home/todaytra/public_html/depmua/wp-includes/query.php on line 2159

Could any one point out the mistake with my $array valiable?

Thanks for any help :)

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Where are you defining $current_post? – imHavoc Oct 27 '12 at 6:00
I have edited the question – Pam Apple Oct 27 '12 at 6:05
@imHavoc It works perfectly without the second argument, meaning that the $current_post variable is correctly defined – Pam Apple Oct 27 '12 at 6:12
What is the value being returned by $current_post? – userabuser Oct 27 '12 at 7:06
When i echo $current_post it gives 213629 . Without the post__in argument i get nicely 5 posts, some have id larger than 213629, some smaller. By the way, i don't have too much posts (i deleted a lot of post revisions and drafts, that's why i have that big ID) – Pam Apple Oct 27 '12 at 7:15

1 Answer

up vote 0 down vote

I have just found an alternative solution:

global $post;
$current_post = $post->ID;
$array=range(1,$current_post);
$args = array(
'numberposts'     => 5,
'offset'          => 0,
'category'        => $category->term_id,
'orderby'         => 'ID',
'order'           => 'DESC',
'exclude'         => $current_post,
'post_type'       => 'post',
'post_status'     => 'publish',
'suppress_filters' => true,
'post__in' => $array );

$posts = get_posts($args);

I'm not sure why the previous method does not work. I have resolved the problem anyway. Thank @imHavoc and @userabuser for having taken a look at my problem :)

share|improve this answer
That's because you're not passing an array of values into get_posts in your OP. The syntax you described above is the correct syntax. See this thread for further understanding. – userabuser Oct 27 '12 at 8:35
also you can use get_the_id function i think instead of $post->ID. link – Fatih Toprak Oct 27 '12 at 9:21
array is a PHP keyword, I would advise you choose a different name for your variable – Tom J Nowell Mar 22 at 16:01

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