Title: `wp-admin/list_core_update()` PHP warnings
Last modified: September 4, 2018

---

# `wp-admin/list_core_update()` PHP warnings

 *  Resolved [lkraav](https://wordpress.org/support/users/lkraav/)
 * (@lkraav)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/wp-admin-list_core_update-php-warnings/)
 * Due to `$update` value `null`, `wp-admin/list_core_update()` will spew warnings
   in several locations in the function.
 * Notice Trying to get property of non-object 1
 *  wp-admin/update-core.php:40
 *  Core
    Notice Trying to get property of non-object 1
 *  wp-admin/update-core.php:43
 *  Core
    Notice Trying to get property of non-object 2
 *  wp-admin/update-core.php:46
 *  Core
    Notice Trying to get property of non-object 1
 *  wp-admin/update-core.php:56
 *  Core
    Notice Trying to get property of non-object 1
 *  wp-admin/update-core.php:93
 *  Core
    Notice Trying to get property of non-object 1
 *  wp-admin/update-core.php:94
 *  Core
    Notice Trying to get property of non-object 1
 *  wp-admin/update-core.php:103
 *  Core
    Notice Trying to get property of non-object 1
 *  wp-admin/update-core.php:109
 *  Core
 * [@johnbillion](https://wordpress.org/support/users/johnbillion/) this plugin 
   is probably far from your current attention span. Thoughts on whether it could
   be imported to github and community patched up to date?

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [John Blackbourn](https://wordpress.org/support/users/johnbillion/)
 * (@johnbillion)
 * WordPress Core Developer
 * [7 years, 9 months ago](https://wordpress.org/support/topic/wp-admin-list_core_update-php-warnings/#post-10654932)
 * The maintenance overhead of this plugin is surprisingly high, and it’s not a 
   plugin that I use any more, so I don’t have any interest in maintaining it. Sorry.
 * I’d recommend that you switch to a more up to date alternative, for example [https://wordpress.org/plugins/disable-wordpress-updates/](https://wordpress.org/plugins/disable-wordpress-updates/)
   which is still maintained and was originally a fork of this plugin.
 *  Thread Starter [lkraav](https://wordpress.org/support/users/lkraav/)
 * (@lkraav)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/wp-admin-list_core_update-php-warnings/#post-10654936)
 * Thanks, exactly what I needed to know.
 * Perhaps this info could be reflected in READMEs of your plugins?

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘`wp-admin/list_core_update()` PHP warnings’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/disable-wordpress-core-update.svg)
 * [Disable WordPress Core Updates](https://wordpress.org/plugins/disable-wordpress-core-update/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/disable-wordpress-core-update/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/disable-wordpress-core-update/)
 * [Active Topics](https://wordpress.org/support/plugin/disable-wordpress-core-update/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/disable-wordpress-core-update/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/disable-wordpress-core-update/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [lkraav](https://wordpress.org/support/users/lkraav/)
 * Last activity: [7 years, 9 months ago](https://wordpress.org/support/topic/wp-admin-list_core_update-php-warnings/#post-10654936)
 * Status: resolved