[wp-trac] [WordPress Trac] #14912: Introduce register_upgrade_hook()

[WordPress Trac]

#14912: Introduce register_upgrade_hook()
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 Reporter:  scribu           |       Owner:                
     Type:  enhancement      |      Status:  new           
 Priority:  normal           |   Milestone:  Future Release
Component:  Upgrade/Install  |     Version:                
 Severity:  normal           |    Keywords:  needs-patch   
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Comment(by Denis-de-Bernardy):

 +1 to nacin's comment. An upgrade hook is not going to work for users who
 upgrade through SVN or FTP.

 Eric's idea is impractical: fetching the version of plugins on all page
 loads involves parsing their headers. That remained quite slow last I
 checked.

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Ticket URL: <http://core.trac.wordpress.org/ticket/14912#comment:7>
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