Ticket #32165: 32165.diff

src/wp-includes/wp-db.php

@@ -2590 +2590 @@
                 $db_check_string = false;
 
                 foreach ( $data as &$value ) {
-                        $charset = $value['charset'];
+                        if ($value['charset'] !== $this->charset) {
+                                $charset = $this->charset;
+                        } else {
+                                $charset = $value['charset'];
+                        }
 
                         // Column isn't a string, or is latin1, which will will happily store anything.
                         if ( false === $charset || 'latin1' === $charset ) {