[wp-trac] [WordPress Trac] #8419: get_sample_permalink_html not multi-byte safe

[WordPress Trac]

#8419: get_sample_permalink_html not multi-byte safe
----------------------------+-----------------------------------------------
 Reporter:  janbrasna       |       Owner:  anonymous    
     Type:  enhancement     |      Status:  new          
 Priority:  low             |   Milestone:  2.7          
Component:  Administration  |     Version:  2.7          
 Severity:  minor           |    Keywords:  utf multibyte
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 The code of get_sample_permalink_html()

 {{{
 if (strlen($post_name) > 30) {
         $post_name_abridged = substr($post_name, 0, 14). '…' .
 substr($post_name, -14);
 }
 }}}

 in wp-admin/includes/post.php produces invalid string in case the input is
 multi-byte. That doesn't happen in default, but might happen in case when
 'editable_slug' filter changes the slug (e.g. #8418).

 What's the consensus on mb_ functions? I've seen several cases of function
 check in the code as
 http://trac.wordpress.org/browser/trunk/wp-
 includes/formatting.php?rev=9661#L513 but there are also cases like
 http://trac.wordpress.org/browser/trunk/wp-
 includes/formatting.php?rev=9661#L2071 when the presence of mb_ is not
 checked at all.

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Ticket URL: <http://trac.wordpress.org/ticket/8419>
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