[wp-trac] [WordPress Trac] #10619: Importing WXR breaks serialized postmeta value

[WordPress Trac]

#10619: Importing WXR breaks serialized postmeta value
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 Reporter:  JonathanRogers  |       Owner:       
     Type:  defect (bug)    |      Status:  new  
 Priority:  normal          |   Milestone:  2.9  
Component:  Import          |     Version:  2.8.4
 Severity:  normal          |    Keywords:       
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Comment(by johncoswell):

 I just got bitten by this bug in a WPMU->WPMU import, so here's my two
 cents. Theoretically, you should be able to run already-serialized values
 through maybe_unserialize(), because if it's not determined to be
 serialized data, it simply returns the original data. I'm fine with
 unserializing the data before passing into add_post_meta(), since if
 you're working with serializable data structures in the first place, you'd
 expect to be feeding those same structures back into add_post_meta().

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Ticket URL: <http://core.trac.wordpress.org/ticket/10619#comment:4>
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