Contributor disable seeing others’ posts

3 comments

1. I hope you are talking about wp-admin section. If yes just place this code in your functions.php file

   add_action( 'load-edit.php', 'posts_for_current_contributor' );
   function posts_for_current_contributor() {
       global $user_ID;
   
       if ( current_user_can( 'contributor' ) ) {
          if ( ! isset( $_GET['author'] ) ) {
             wp_redirect( add_query_arg( 'author', $user_ID ) );
             exit;
          }
      }
   
   }
   

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2. @Giri: Thanks for the answer but it’s not perfect yet.

   Admin can modify the query arg “author” manually and they will be able to view the other

   if ( ! isset( $_GET['author'] ) ) {
   

   The line above should also check if $_GET[‘author’] is not current user

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3. Another approach, like accepted answer (but without redirection):

       function posts_for_current_author ($query) {
           if( $query->is_admin && 'edit.php' == $GLOBALS['pagenow'] && !current_user_can( 'edit_others_posts' ) ) {
               $query->set('author', $GLOBALS['user_ID'] );
           }
           return $query;
       };
       add_filter('pre_get_posts', 'posts_for_current_author');
   

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