[wp-trac] [WordPress Trac] #59818: [PHP 8.1] deprecated null in `explode()` for 'ping_sites' in `wp-admin/options-writing.php` with "Discourage search engines" on

[WordPress Trac]

#59818: [PHP 8.1] deprecated null in `explode()` for 'ping_sites' in `wp-admin
/options-writing.php` with "Discourage search engines" on
----------------------------------------------+----------------------------
 Reporter:  kitchin                           |       Owner:
                                              |  SergeyBiryukov
     Type:  defect (bug)                      |      Status:  accepted
 Priority:  normal                            |   Milestone:  6.6
Component:  Administration                    |     Version:
 Severity:  normal                            |  Resolution:
 Keywords:  php81 has-patch has-testing-info  |     Focuses:  php-
                                              |  compatibility
----------------------------------------------+----------------------------

Comment (by devmuhib):

 I downloaded the latest version with wget https://wordpress.org/nightly-
 builds/wordpress-latest.zip and my version is 6.6-alpha-58025. But I could
 not reproduce the error. I also checked wp-admin/error_log. but not found
 anything error code.
 {{{
 wp-admin/error_log.
 }}}


 [[Image(https://i.imgur.com/B5gycDX.jpeg)]]

 [[Image(https://i.imgur.com/jVLk6sQ.jpeg)]]

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Ticket URL: <https://core.trac.wordpress.org/ticket/59818#comment:10>
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