[wp-trac] [WordPress Trac] #18302: Improve child theme file inheritance by introducing `theme_url()` to locate a file URI

[WordPress Trac]

#18302: Improve child theme file inheritance by introducing `theme_url()` to locate
a file URI
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 Reporter:  johnbillion            |       Owner:  westi
     Type:  enhancement            |      Status:  reviewing
 Priority:  normal                 |   Milestone:  3.5
Component:  Template               |     Version:
 Severity:  normal                 |  Resolution:
 Keywords:  has-patch westi-likes  |
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Comment (by nacin):

 This looks great in theory. Digging into how it works, here are my
 thoughts:

 This function is designed to allow child themes to override parent themes,
 without the parent theme needing to jump through hoops to prevent the
 requirement that a child theme override a random file such as an image. To
 me, it sounds like it should always return a URI. It's a simple check: If
 the file exists in the child theme, use it. Otherwise, return the URL as
 if it exists in the parent theme. And if we're not dealing with a child
 theme, we can even avoid any file_exists() checks this way.

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Ticket URL: <http://core.trac.wordpress.org/ticket/18302#comment:23>
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