Ticket #43680: 43680.3.diff

src/wp-includes/class-wp-user-query.php

@@ -617 +617 @@
                         $this->total_users = (int) $wpdb->get_var( $found_users_query );
                 }
 
-                if ( ! $this->results ) {
-                        return;
+                if ( $this->results ) {
+                        if ( 'all_with_meta' == $qv['fields'] ) {
+                                $r = array();
+                                foreach ( $this->results as $userid ) {
+                                        $r[ $userid ] = new WP_User( $userid, '', $qv['blog_id'] );
+                                }
+                                $this->results = $r;
+                        } elseif ( 'all' == $qv['fields'] ) {
+                                foreach ( $this->results as $key => $user ) {
+                                        $this->results[ $key ] = new WP_User( $user, '', $qv['blog_id'] );
+                                }
+                        }
                 }
 
-                if ( 'all_with_meta' == $qv['fields'] ) {
-                        cache_users( $this->results );
+                /**
+                 * Filters the raw user results array.
+                 *
+                 * @since 4.9.9
+                 *
+                 * @param array         $users Array of user objects or user fields.
+                 * @param WP_User_Query $this  The WP_User_Query instance (passed by reference).
+                 */
+                $this->results = apply_filters_ref_array( 'users_results', array( $this->results, &$this ) );
 
-                        $r = array();
-                        foreach ( $this->results as $userid ) {
-                                $r[ $userid ] = new WP_User( $userid, '', $qv['blog_id'] );
-                        }
-
-                        $this->results = $r;
-                } elseif ( 'all' == $qv['fields'] ) {
-                        foreach ( $this->results as $key => $user ) {
-                                $this->results[ $key ] = new WP_User( $user, '', $qv['blog_id'] );
-                        }
+                if ( $this->results && 'all_with_meta' == $qv['fields'] ) {
+                        cache_users( array_keys( $this->results ) );
                 }
         }