Ticket #15705: 15705.diff

wp-settings.php

@@ -15 +15 @@
  */
 define( 'WPINC', 'wp-includes' );
 
+// Start an output buffer in case anything generates warnings or notices before cookies are sent.
+ob_start();
+
 // Include files required for initialization.
 require( ABSPATH . WPINC . '/load.php' );
 require( ABSPATH . WPINC . '/default-constants.php' );
@@ -288 +291 @@
 // Set up current user.
 $wp->init();
 
+// Authentication cookies are now sent; safely release the output buffer started further up.
+ob_end_flush();
+
 /**
  * Most of WP is loaded at this stage, and the user is authenticated. WP continues
  * to load on the init hook that follows (e.g. widgets), and many plugins instantiate