[wp-trac] [WordPress Trac] #43224: Extract `$utf8_pcre` from `wp_check_invalid_utf8()` into a separate function

[WordPress Trac]

#43224: Extract `$utf8_pcre` from `wp_check_invalid_utf8()` into a separate
function
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 Reporter:  jaswrks      |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Formatting   |     Version:  trunk
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:
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Comment (by jnylen0):

 The information in this ticket is correct, but this function already
 exists in WP, almost exactly as written in the patch:

 https://core.trac.wordpress.org/browser/tags/4.9.5/src/wp-
 includes/compat.php#L16

 Introduced here:  https://core.trac.wordpress.org/changeset/32364#file2

 It would be good to refactor `wp_check_invalid_utf8` to use the shared
 function rather than doing its own thing.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43224#comment:3>
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