[wp-trac] [WordPress Trac] #47272: Reassess the required PHP extensions

[WordPress Trac]

#47272: Reassess the required PHP extensions
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 Reporter:  Cybr                  |      Owner:  (none)
     Type:  enhancement           |     Status:  new
 Priority:  normal                |  Milestone:  Awaiting Review
Component:  Help/About            |    Version:  trunk
 Severity:  normal                |   Keywords:  site-health 2nd-opinion
  Focuses:  docs, administration  |
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 For the list of https://make.wordpress.org/hosting/handbook/handbook
 /server-environment/#php-extensions, I suggest these extensions to be
 listed:

 - Required:
    - iconv (`/wp-mail.php`, `wp-includes/formatting.php`, SimplePie, etc.
 uses this)
    - mbstring (performance, stability: see #34631 to learn that not every
 `mb_*()` function has a fallback in WP)
    - zip (plugin unpacking, see `wp-admin/file.php`)

 - Recommended:
    - opcache (performance, needs no introduction)

 These changes should also affect the Site Health component brought in
 WordPress 5.2.

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Ticket URL: <https://core.trac.wordpress.org/ticket/47272>
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