[wp-trac] [WordPress Trac] #62785: wp_kses_no_null() should be modified to handle $content having a null value

WordPress Trac noreply at wordpress.org
Wed Dec 10 16:26:11 UTC 2025


#62785: wp_kses_no_null() should be modified to handle $content having a null value
-------------------------------------------------+-------------------------
 Reporter:  room34                               |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  new
 Priority:  normal                               |   Milestone:  Awaiting
                                                 |  Review
Component:  Formatting                           |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch has-unit-tests php81       |     Focuses:  php-
  needs-testing                                  |  compatibility
-------------------------------------------------+-------------------------

Comment (by sajib1223):

 == Test Report
 === Description
 This report validates whether the indicated patch works as expected.

 Patch tested: https://github.com/WordPress/wordpress-develop/pull/8096

 === Environment
 - WordPress: 6.9
 - PHP: 8.3.28
 - Server: Apache/2.4.65 (Debian)
 - Database: mysqli (Server: 10.6.24-MariaDB-ubu2204 / Client: mysqlnd
 8.3.28)
 - Browser: Firefox 145.0
 - OS: Windows 10/11
 - Theme: Twenty Twenty 3.0
 - MU Plugins: None activated
 - Plugins:
   * KSES Null Test Plugin 1.0.0
   * Test Reports 1.2.1

 === Actual Results
 1.  ✅ Issue resolved with patch.

 === Additional Notes
 - Created a custom plugin to run this function in a admin screen -
 `wp_kses_post(null);`
 - Before patch, it showed - ` Deprecated: preg_replace(): Passing null to
 parameter #3 ($subject) of type array|string is deprecated in
 /var/www/html/wp-includes/kses.php on line 2035 ` message.
 - After patch, not error were shown.

 === Supplemental Artifacts
 None.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/62785#comment:6>
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