[wp-trac] [WordPress Trac] #31675: register_sidebar() without `id` parameter should be _doing_it_wrong()

[WordPress Trac]

#31675: register_sidebar() without `id` parameter should be _doing_it_wrong()
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 Reporter:  markjaquith       |       Owner:  markjaquith
     Type:  enhancement       |      Status:  reopened
 Priority:  normal            |   Milestone:  4.2
Component:  Widgets           |     Version:
 Severity:  normal            |  Resolution:
 Keywords:  has-patch commit  |     Focuses:
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Comment (by markjaquith):

 > "Manually set ... to silence this notice and keep existing sidebar
 content" is good advice only for a theme that wont be used on any other
 install, correct?

 Not that I can think of. Essentially, by neglecting to choose an `id`,
 WordPress chooses one for you. But the one WordPress chooses is based on
 the order you defined the sidebars.

 So say a theme update adds a new sidebar, in the middle of the others.
 Stuff going to get jumbled. The notice tells you to set manually the `id`
 values that WordPress is currently auto-choosing. Then, if you add a new
 sidebar (also with an id), the old ones don't jumble.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31675#comment:17>
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