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I am working on a custom query to show a few posts. I am able to output all the post ID's. I am trying to turn these ID's into an array so I can use 'post__in' => $myarray in my query. How can I do this?

          <?php
            $allposts = $wpdb->get_results("SELECT `music_id` FROM `custom_table` ORDER BY id DESC LIMIT 5");
              foreach ($allposts as $singlepost) {
                       echo '<p>' .$singlepost->music_id. '</p>';
              }
            ?>
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Use $wpdb->get_col. It will return a one-dimensional array that you can use in post__in

$allposts = $wpdb->get_col("SELECT `music_id` FROM `custom_table` ORDER BY id DESC LIMIT 5");
  • Hey thank you Shane. This works great and is the most simple solution. Exactly what I was looking for. – JediTricks007 Sep 3 '15 at 5:09
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$id = array();
 foreach ($allposts as $singlepost) {
      $id[]= $singlepost->music_id;
}
  • Thank you very much. This seems to be working. I had to add this $recentlistens = array($id[0], $id[1], $id[2], $id[3],$id[4]); Is there a better way to do that? – JediTricks007 Sep 2 '15 at 23:12

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