[wp-trac] [WordPress Trac] #35982: The new feature 'site logo' is not working on-the-fly (postMessage)

[WordPress Trac]

#35982: The new feature 'site logo' is not working on-the-fly (postMessage)
--------------------------+--------------------------
 Reporter:  sidati        |       Owner:  westonruter
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  Customize     |     Version:  trunk
 Severity:  normal        |  Resolution:  invalid
 Keywords:                |     Focuses:  javascript
--------------------------+--------------------------

Comment (by dgwyer):

 I just tried the code:

 {{{
 add_action( 'customize_register', function( $wp_customize ) {
         $wp_customize->selective_refresh->get_partial( 'site_logo'
 )->fallback_refresh = false;
 }, 20 );
 }}}

 And keep getting the error: "WARNING: CREATING DEFAULT OBJECT FROM EMPTY
 VALUE IN [path ommitted] ON LINE 15".

 This is a local development setup of WordPress running WP 4.6-RC1-38170,
 and PHP 5.5.24. I assume the code is correct (it's exactly what Weston
 posted above). If so why am I seeing this error? I know I can ignore it
 but I'd prefer not to see any errors.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35982#comment:9>
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