Ticket #45299: 45299.diff

src/wp-includes/wp-db.php

@@ -2544 +2544 @@
 
                 $new_array = array();
                 // Extract the column values
-                for ( $i = 0, $j = count( $this->last_result ); $i < $j; $i++ ) {
-                        $new_array[ $i ] = $this->get_var( null, $x, $i );
+                if ( $this->last_result ) {
+                        for ( $i = 0, $j = count( $this->last_result ); $i < $j; $i++ ) {
+                                $new_array[ $i ] = $this->get_var( null, $x, $i );
+                        }
                 }
                 return $new_array;
         }