[wp-trac] [WordPress Trac] #35951: remove_accents() doesn't escape Unicode NFD characters

[WordPress Trac]

#35951: remove_accents() doesn't escape Unicode NFD characters
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 Reporter:  onnimonni                     |       Owner:  audrasjb
     Type:  defect (bug)                  |      Status:  closed
 Priority:  normal                        |   Milestone:  6.1
Component:  Charset                       |     Version:
 Severity:  normal                        |  Resolution:  fixed
 Keywords:  has-patch add-to-field-guide  |     Focuses:
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Comment (by zodiac1978):

 Replying to [comment:19 peterfabian1000]:
 > I suppose it should be possible to fail more gracefully, or only use
 `Normalizer` if `get_loaded_extensions` includes `intl`?

 There is a function exist check there:
 https://github.com/WordPress/WordPress/blob/823517e1deabef111a8a1b49bce466eada1162c9
 /wp-includes/formatting.php#L1604

 {{{#!php
 <?php
 if ( function_exists( 'normalizer_normalize' ) ) {
 }}}

 If this check is `true` but the function call produces a fatal error, we
 maybe need to switch to check with `get_loaded_extensions` and `intl`
 instead.

 I would be interested in the environment (which PHP version and how does
 the check can be true without a working normalize function).

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Ticket URL: <https://core.trac.wordpress.org/ticket/35951#comment:20>
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