need an experienced WordPress developer with strong PHP upgrade troubleshooting skills to resolve compatibility issues and support an upcoming server migration. Current Situation We are moving several WordPress sites to a new server running PHP 8.1–8.4. Some of our existing sites still run on PHP 7.4, which is causing breakage due to plugin/theme incompatibility. What We Need 1. Immediate Fix (Today) 3 WordPress sites are currently broken after being placed on a PHP 8+ environment. Your role: - Diagnose the PHP incompatibility issues - Fix plugin/theme errors caused by the migration - Ensure the sites are live and working after migration Note: One of these sites uses a WordPress multisite network, which may require extra attention during the PHP update. 2. Migration Standby (Tomorrow) - We have three additional WordPress websites being migrated tomorrow. - We need you on standby during the migration to immediately fix any PHP-related issues that may arise once they’re moved, as we have an event 1 Nov 2025. Required Skills - Advanced troubleshooting in WordPress - Strong experience resolving PHP 7.4 → PHP 8.1+ compatibility issues - Plugin/theme debugging - Understanding of error logs & deprecated functions - Experience with WordPress multisite Ability to be available today + tomorrow Additional Technical Notes - Issues are likely due to PHP incompatibility or outdated plugins - Some nameservers/URLs may need updating after the migration - One site is a multisite, others are standard WordPress installs Timeline - Today: Fix 2 broken WordPress sites - Tomorrow: Be on standby for 3 site transfers and fix any PHP errors in real time