[wp-trac] [WordPress Trac] #37425: Passing variables withing the previewURL get lost on server side

[WordPress Trac]

#37425: Passing variables withing the previewURL get lost on server side
--------------------------+-------------------------
 Reporter:  virgodesign   |       Owner:
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  Customize     |     Version:  4.5.3
 Severity:  normal        |  Resolution:  worksforme
 Keywords:                |     Focuses:
--------------------------+-------------------------
Changes (by westonruter):

 * status:  new => closed
 * resolution:   => worksforme
 * milestone:  Awaiting Review =>


Comment:

 @virgodesign I can't reproduce the issue. I added this bit to my theme's
 `header.php`:

 {{{#!php
 <?php echo esc_html( wp_json_encode( wp_unslash( $_GET ) ) ) ?>
 }}}

 And then I was able to enter this into the browser console:

 {{{#!js
 var urlParser = document.createElement( 'a' );
 urlParser.href = wp.customize.settings.url.home
 urlParser.search = 'custom_var=1';
 wp.customize.previewer.previewUrl( urlParser.href );
 }}}

 And the header showed the expected value:

 {{{#!json
 {"custom_var":"1"}
 }}}

 Your issue may be that you tried to enter the wrong domain when setting
 the URL.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37425#comment:3>
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