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1. imjscn
   Member
   Posted 1 year ago #

   Hello,
   I have a group of data saved in post meta. One of the meta key is "project_id", if a post meta has this key, that means this post include a project.

   Now I want to get all post that with the meta key of "project_id", so that I can make a loop for it.

   I tried this
   

   $meta_key = 'project_id';
   return $wpdb->get_var($wpdb->prepare("SELECT ID FROM $wpdb->postmeta WHERE meta_key = %s", $meta_key));

   It returns nothing.
   Please help! Thanks!

2. esmi
   Theme Diva & Forum Moderator
   Posted 1 year ago #

   http://codex.wordpress.org/Function_Reference/WP_Query

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