[wp-trac] [WordPress Trac] #61489: 6.1.7 and 6.2.6 Updates Cause Critical Error

[WordPress Trac]

#61489: 6.1.7 and 6.2.6 Updates Cause Critical Error
-------------------------------+------------------------------
 Reporter:  mping001           |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Upgrade/Install    |     Version:  6.1
 Severity:  critical           |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
-------------------------------+------------------------------

Comment (by tomsommer):

 Some debug information, as requested on Slack:


 {{{
 [example.com at server ~]$ fgrep -R '_wp_footnotes_kses_init' *
 public_html/wp-includes/default-filters.php:add_action( 'init',
 '_wp_footnotes_kses_init' );
 public_html/wp-includes/default-filters.php:add_action(
 'set_current_user', '_wp_footnotes_kses_init' );
 ^C
 [example.com at server ~]$ cd public_html/
 [example.com at server public_html]$ wp version
 PHP Warning:  call_user_func_array() expects parameter 1 to be a valid
 callback, function '_wp_footnotes_kses_init' not found or invalid function
 name in /var/www/example.com/public_html/wp-includes/class-wp-hook.php on
 line 307
 Warning: call_user_func_array() expects parameter 1 to be a valid
 callback, function '_wp_footnotes_kses_init' not found or invalid function
 name in /var/www/example.com/public_html/wp-includes/class-wp-hook.php on
 line 307
 Error: 'version' is not a registered wp command. See 'wp help' for
 available commands.
 [example.com at server public_html]$ wp core version
 6.0.9
 [example.com at server public_html]$ ls -l wp-includes/default-filters.php
 -rw-r--r-- 1 example.com example.com 31071 Apr 11 04:41 wp-includes
 /default-filters.php
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/61489#comment:26>
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