[wp-trac] [WordPress Trac] #50784: Stop using `preg_match()` in `wp_opcache_invalidate()`

[WordPress Trac]

#50784: Stop using `preg_match()` in `wp_opcache_invalidate()`
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 Reporter:  mikeschroder     |      Owner:  (none)
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  5.5
Component:  Upgrade/Install  |    Version:  trunk
 Severity:  normal           |   Keywords:  has-patch
  Focuses:                   |
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 While writing up the devnote for `wp_opcache_invalidate()`, @aaroncampbell
 pointed out, rightly, that it might make sense to use something else to
 check for a PHP extension rather `preg_match()` for performance reasons.

 As timeout failures are common during upgrades and we're only checking for
 one extension for PHP files at this point, I agree.

 Patches coming shortly.

 See: #36455

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Ticket URL: <https://core.trac.wordpress.org/ticket/50784>
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