Plugin’s “Update Now” not working – Installed in folder with random suffix

I tried the hook update_plugins_{$hostname} following the fresher informations I found in the link quoted by Tom J Nowell : https://make.wordpress.org/core/2021/06/29/introducing-update-uri-plugin-header-in-wordpress-5-8/ here is a example of plugin with self managed update. it’s a base for update by the Updates page and the Plugins page and this example can be complete to manage more details, e.g. … Read more

Upgraded php & wordpress but theme broke

<?php the_post_thumbnail(thumbnail); ?> should be <?php the_post_thumbnail( “thumbnail” ); ?>. thumbnail is not a defined constant, and the updated version of PHP is no longer converting undefined constants into strings for you. It appears that PHP changed the “undefined constants” message from a notice to a fatal error sometime around version 8.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)