[wp-trac] [WordPress Trac] #57578: Deprecated preg_replace() warning PHP 8.1

[WordPress Trac]

#57578: Deprecated preg_replace() warning PHP 8.1
--------------------------+-----------------------------
 Reporter:  ipajen        |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  trunk
 Severity:  normal        |   Keywords:  PHP 8.1
  Focuses:                |
--------------------------+-----------------------------
 PHP warning is thrown in 6.2-alpha-55159 with PHP 8.1

 /wp-admin/options-privacy.php
 /wp-admin/options-privacy.php?tab=policyguide
 /wp-admin/export-personal-data.php
 /wp-admin/erase-personal-data.php

 preg_replace(): Passing null to parameter #3 ($subject) of type
 array|string is deprecated

 {{{
 wp-admin/includes/plugin.php:2088
 preg_replace()
 wp-admin/includes/plugin.php:2088
 get_plugin_page_hookname()
 wp-admin/includes/plugin.php:2052
 get_plugin_page_hook()
 wp-admin/includes/plugin.php:1976
 get_admin_page_title()
 wp-admin/admin-header.php:35
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/57578>
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