[wp-trac] [WordPress Trac] #28361: Twenty Ten, Eleven and Twelve: PHP notices due to undefined vars in attachment template

[WordPress Trac]

#28361: Twenty Ten, Eleven and Twelve: PHP notices due to undefined vars in
attachment template
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 Reporter:  nabil_kadimi   |       Owner:
     Type:  defect (bug)   |      Status:  new
 Priority:  normal         |   Milestone:  4.0
Component:  Bundled Theme  |     Version:  trunk
 Severity:  minor          |  Resolution:
 Keywords:  has-patch      |     Focuses:
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Comment (by SergeyBiryukov):

 The only way for `$k` to be empty here is for `get_children()` to return
 an empty array a few lines above. I could not reproduce that. Do you have
 a plugin or a custom function that modifies all queries via
 `pre_get_posts` filter?

 We could just move `$k++;` to the `if ( count( $attachments ) > 1 )`
 branch a few lines below. However, it seems like we're patching the
 symptom here rather than the root cause.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28361#comment:6>
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