[wp-trac] [WordPress Trac] #41501: Emoji: Short-circuit wp_staticize_emoji() when there are no emoji to staticise.

[WordPress Trac]

#41501: Emoji: Short-circuit wp_staticize_emoji() when there are no emoji to
staticise.
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 Reporter:  pento                    |       Owner:  pento
     Type:  defect (bug)             |      Status:  assigned
 Priority:  high                     |   Milestone:  4.8.1
Component:  Emoji                    |     Version:  trunk
 Severity:  major                    |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:  performance
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Comment (by pento):

 Thank you for the additional patch, @umangvaghela123!

 Unfortunately, [attachment:41501.patch] doesn't quite do the right thing -
 I've created [attachment:41501.2.diff], to show a little clearer what's
 going on.

 It can return early, if the following conditions are met:

 - It only contains ASCII. This is tested by `mb_check_encoding()`, if
 available, or the `preg_match()`, if it isn't.
 - AND, it doesn't contain the string '&#x', which possibly indicates a
 HTML encoded entity that we need to test further.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41501#comment:4>
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