[wp-trac] [WordPress Trac] #25690: PHP Fatal error: Call to undefined function wp_get_current_user() when upgrading to version 3.7

[WordPress Trac]

#25690: PHP Fatal error:  Call to undefined function wp_get_current_user() when
upgrading to version 3.7
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 Reporter:  ascom            |       Owner:
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  3.7.1
Component:  Upgrade/Install  |     Version:  3.7
 Severity:  blocker          |  Resolution:
 Keywords:                   |
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Comment (by nacin):

 We don't need to revert everything in [25669]. Let's figure out what is
 possible to call prior to pluggable being loaded.

 Looks to me like wp_insert_attachment(), wp_insert_post(),
 get_posts_by_author_sql() (which is a helper), and WP_Query itself.

 I think we should patch get_current_user_id() to simply return 0 when that
 function does not exist. I don't love the idea of slowing down that
 function, but I don't think we use it extensively (it's not like calling
 it in a loop is going to be desired, the value doesn't change). At worst
 we can convert it to using $current_user directly, though I think we
 should just add a function_exists() check and call it a day. What a mess.

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Ticket URL: <http://core.trac.wordpress.org/ticket/25690#comment:9>
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