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Troubleshooting after PHP 8.5 upgrade in WooCommerce: After a PHP 8.5 upgrade in WooCommerce, error messages, malfunctions and even failures such as the “white screen of death” often occur. The most important solutions are systematic debugging, targeted plugin checks and the adaptation of outdated code.
How do I check plugins and themes for PHP 8.5 compatibility: Checking WordPress plugins and themes for compatibility with PHP 8.5 is a mix of clean preparation, automatic scans and targeted manual tests. This guide shows you step by step how to proceed in a practical and risk-minimized way – ideally first in a staging environment, not on the live side.
Test in staging before upgrading to PHP 8.5 – Concrete test steps in staging before upgrading to PHP 8.5: A professional PHP upgrade to version 8.5 should always be tested in staging first. Here you will find a tried and tested procedure for the relevant test steps, with a focus on WordPress projects and current best practices.
Latest PHP version 8.5: What WordPress admins should know and consider now: PHP 8.5 was released on November 20, 2025 and brings numerous technical and security-related innovations to the WordPress world. An upgrade is not only worthwhile from a performance point of view, but is also indispensable in the future for reasons of security and compatibility. In this blog post you will find a practical overview of what WordPress users need to pay attention to now.
