[wp-trac] [WordPress Trac] #63863: Standardize UTF-8 handling and fallbacks in 6.9

[WordPress Trac]

#63863: Standardize UTF-8 handling and fallbacks in 6.9
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 Reporter:  dmsnell      |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  6.9
Component:  Charset      |     Version:  trunk
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:
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Comment (by tusharbharti):

 > otherwise there’s a funny thing about #9678. it’s worth doing, and I
 considered creating a ticket like “ensure that code calling PCRE functions
 with the u flag rely on _wp_can_use_pcre_u()” but as I looked around,
 almost everything in Core just assumes the flag is present and breaks when
 it isn’t.

 I think creating a ticket for this would make sense as this ticket is for
 standardizing the UTF-8 part. If there is a lot of places which needs
 "_wp_can_use_pcre_u()" fix then it can be done on basis of a section like
 formatting or even basis of files to make reviewing easier ( ofc depending
 on the files changed ). I can help with this.

 > here’s definitely some limit to poly-filling the mbstring extension that
 I’m trying to balance, and much or most of that is focused on UTF-8.

 For polyfills, https://github.com/symfony/polyfill-mbstring seems like a
 good reference, though I am also exploring https://github.com/php/php-
 src/tree/master/ext/mbstring

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Ticket URL: <https://core.trac.wordpress.org/ticket/63863#comment:10>
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