[wp-trac] [WordPress Trac] #15508: Use !is_user_logged_in instead of !$user->ID

[WordPress Trac]

#15508: Use !is_user_logged_in instead of !$user->ID
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 Reporter:  Eteq         |       Owner:                   
     Type:  enhancement  |      Status:  new              
 Priority:  normal       |   Milestone:  Awaiting Review  
Component:  General      |     Version:  3.0.1            
 Severity:  major        |    Keywords:  user,login,plugin
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 The subject line pretty much says all. I'm kind of integrating a user
 system of my own to allow comments into wordpress posts as if logged in
 amongst other few minor changes like session sharing. I've managed to do
 so as a plugin, until I got stuck with this.

 The fact that many places in the wordpress code checks for the user id,
 instead of using the is_user_looged_in renders the purpose of that
 function useless for plugins.

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Ticket URL: <http://core.trac.wordpress.org/ticket/15508>
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