[wp-trac] [WordPress Trac] #5265: Possible to get "call to undefined function" when activating a plugin

[WordPress Trac]

#5265: Possible to get "call to undefined function" when activating a plugin
----------------------------+-----------------------------------------------
 Reporter:  Viper007Bond    |       Owner:  anonymous  
     Type:  defect          |      Status:  new        
 Priority:  normal          |   Milestone:  2.3.2      
Component:  Administration  |     Version:  2.3        
 Severity:  blocker         |    Keywords:  needs-patch
----------------------------+-----------------------------------------------
 Okay, so I'm writing a plugin and here's the code I have so far:

 http://wordpress.pastebin.com/f3ea57b78

 When activating the plugin from the plugins page, I get the following
 error:

 {{{
 Fatal error: Call to undefined function wp_get_current_user() in [...]\wp-
 includes\capabilities.php on line 446
 }}}

 No, it's not in a blue box or anything -- it's just that error message. I
 have to go and rename or delete the plugin file to get my admin area back.

 So two issues here:

 A) What's causing this PHP error?

 B) Why isn't it being caught by the box and dying gracefully? (I assume
 it's because the error isn't in the plugin's file.)

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Ticket URL: <http://trac.wordpress.org/ticket/5265>
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