[wp-trac] [WordPress Trac] #11751: lowercase_username() is not mb_string safe

[WordPress Trac]

#11751: lowercase_username() is not mb_string safe
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 Reporter:  Denis-de-Bernardy  |       Owner:  hakre    
     Type:  defect (bug)       |      Status:  new      
 Priority:  normal             |   Milestone:  3.0      
Component:  Charset            |     Version:  3.0      
 Severity:  normal             |    Keywords:  multisite
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Comment(by nacin):

 lowercase_username() and strtolower_usernames() were yanked in [12948]
 because they both duplicated strtolower().

 Should we be accounting for mb strings here? sanitize_user() removes all
 non-ascii characters.

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Ticket URL: <http://core.trac.wordpress.org/ticket/11751#comment:3>
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