[wp-trac] [WordPress Trac] #28637: get_theme_mod returns empty string instead of default

[WordPress Trac]

#28637: get_theme_mod returns empty string instead of default
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 Reporter:  philipjohn                  |       Owner:  valendesigns
     Type:  defect (bug)                |      Status:  assigned
 Priority:  normal                      |   Milestone:  4.4
Component:  Customize                   |     Version:  3.9.1
 Severity:  normal                      |  Resolution:
 Keywords:  has-patch needs-unit-tests  |     Focuses:  administration
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Comment (by MikeHansenMe):

 So I think some of the confusion is because the example talks about
 removing an image and using the default. I think that is correct but I
 think we should fix that elsewhere. I see the problem now how a blanket
 change like this could have side effects. So we have 2 issues

 1) in customizer it sets the theme_mod to an empty string when removed
 (need to find a core example)
 2) get_theme_mod returns and empty string. (which I think is valid in
 other use cases, so we cant make the change in the patch)

 I will write some unit tests.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28637#comment:18>
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