PHP emergency readiness, in ten checks.
A private, browser-only checklist for teams preparing a PHP security update. Your answers stay on this device. This tool does not scan your website or determine whether it is vulnerable.
Current official guidance: PHP released fixes for two critical issues on 21 October 2026 and strongly recommends updating now. Verify the correct package with PHP or your operating-system, LTS, or hosting vendor.
0/10 ready
Start with an inventory: version, hosting method, owner, backup, and vendor update path.
Need a written update and rollback plan?
Plain Ops Lab can turn your inventory, backups, compatibility checks, and rollback conditions into a scoped plan. Do not send passwords or secrets by email.