[wp-trac] [WordPress Trac] #52295: The response is not a valid JSON response - URL permalink using the ? sign

[WordPress Trac]

#52295: The response is not a valid JSON response - URL permalink using the ? sign
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 Reporter:  rshlo         |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  5.6
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by rshlo):

 checking the debug log points to an error in
 wp-includes/load.php:1650
 That is a function to {{{
                 $cache[ $media_type ] = (bool) preg_match(
 '/(^|\s|,)application\/([\w!#\$&-\^\.\+]+\+)?json(\+oembed)?($|\s|;|,)/i',
 $media_type );
 }}}

 So it seems that this regex check is failing on links with the ? sign in
 the url.

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Ticket URL: <https://core.trac.wordpress.org/ticket/52295#comment:1>
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