Multiple post IDs from array in Wordpress

Question

I want to display 3 specifics posts.

Problem : My posts IDs are from a previous array.

Result : It displays only the first one.

Function :

foreach($fav_author_list as $i => $item) {
  $insert = get_user_favorites($item);
  if (!is_array($insert[0])) {
    $result = array_merge($result, $insert);
  }
}
$algoid = implode(",", $result);

Result from $algoid (Post ID) = 865, 866, 877

I want to display the three posts.

$myarray = array($algoid);
$args = array(
   'post__in'      => $myarray,
);
// The Query
$the_query = new WP_Query( $args );

Chin Leung · Accepted Answer · 2017-07-17 20:10:13Z

2

You don't have to implode your $algoid for the post__in. Since you're using implode, you're actually passing an array with a string for your query:

array('865, 866, 877'); // Items: 1

However, WP_Query is expecting an array with the ids, not as a string:

array(865, 866, 877); // Items: 3

Here's how it should be:

// Use your function to generate the array with the IDs
$algoid = array(865, 866, 877); 

$args = array(
    'post__in' => $algoid
);

For more information about WP_Query: https://codex.wordpress.org/Class_Reference/WP_Query

post__in (array) - use post ids. Specify posts to retrieve. ATTENTION If you use sticky posts, they will be included (prepended!) in the posts you retrieve whether you want it or not. To suppress this behaviour use ignore_sticky_posts.

edited Jul 17, 2017 at 20:10

answered Jul 17, 2017 at 20:06

Chin Leung

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1 Comment

Mathieu Over a year ago

Working ! Thank you

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