Ticket #22203: 22203.2.patch

wp-includes/wp-db.php

@@ -536 +536 @@
         function __construct( $dbuser, $dbpassword, $dbname, $dbhost ) {
                 register_shutdown_function( array( $this, '__destruct' ) );
 
-                if ( WP_DEBUG )
+                if ( WP_DEBUG && WP_DEBUG_DISPLAY )
                         $this->show_errors();
 
                 $this->init_charset();