[wp-trac] [WordPress Trac] #17805: "Child of a child" Theme: Convert include(functions.php) to include_once().

[WordPress Trac]

#17805: "Child of a child" Theme: Convert include(functions.php) to include_once().
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 Reporter:  5ubliminal    |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Themes        |     Version:  3.2
 Severity:  major         |  Resolution:
 Keywords:  has-patch     |
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Comment (by 5ubliminal):

 You can not include the parent as it's already include with include(). The
 inclusion is done before the include ends and PHP does not track it.

 I know this error and it's how it should be. PHP marks a file as included
 at the end of the call. But there are three themes involved:

 1. Root
 2. Parent
 3. Child

 Without include_once() Parent can not be activated. You can just use the
 Original and last Child. Do some tests. So how include really works and
 how it tracks the inclusion at the end. Including a file with include once
 in the same include breaks: Double declaration.

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Ticket URL: <http://core.trac.wordpress.org/ticket/17805#comment:7>
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