[wp-trac] [WordPress Trac] #39407: Couldn't call method 'is_customize_preview()' in Widget.php

[WordPress Trac]

#39407: Couldn't call method 'is_customize_preview()' in Widget.php
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 Reporter:  n247s         |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.8
Component:  Themes        |     Version:  4.5
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:
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Comment (by adamsilverstein):

 In [attachment:39407.diff]:

 Themes: In Twenty Fourteen, add an `is_customize_preview` function if it
 is missing.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39407#comment:2>
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