Hosting Stack: cPanel & CloudLinux
CloudLinux PHP Selector
PHP Selector lets each cPanel account run its own PHP version and extensions, PHP 8.x for modern apps, HardenedPHP branches for legacy estates mid-migration, without forcing the whole server onto one interpreter. It's the tool that makes fleet-wide PHP progress possible without breaking a single legacy checkout.
Key points
- Assign PHP versions per account based on application compatibility scans, not defaults.
- Use HardenedPHP for legacy branches that need security backports during migration.
- Let accounts tune extensions and limits within guardrails instead of filing tickets.
- Set the server default to the newest stable PHP so new accounts start modern.
- Track EOL dates per branch and notify account owners quarters ahead.
- Test version switches in staging clones for business-critical sites.
- Keep OPcache tuned per version, defaults underserve large estates.
- Retire old branches server-wide once the last account migrates, with notice.
Field note
Retire old branches server-wide the month the last account migrates, with notice. Lingering interpreters accumulate like attic boxes, each one a future emergency.
Frequently asked questions
Can two sites share a server on different PHP?
Yes, that's the entire point. Per-account interpreters coexist cleanly.
Is HardenedPHP as safe as current PHP?
It's a secured bridge for migration, not a destination, patched against known flaws, but modern versions remain the goal.
Who decides when to switch versions?
We recommend from compatibility data; owners approve the window. Nobody gets surprise-switched.
Do extensions differ per version?
Yes, each interpreter carries its own extension set, managed through the selector interface.
How Kinetikatech helps with hosting stack: cpanel & cloudlinux
You shouldn't have to become an expert in hosting stack: cpanel & cloudlinux: Operator-level guides for the stack we run daily, CloudLinux isolation, cPanel/WHM administration, Exim forensics, and LiteSpeed tuning. That's exactly what Server Management and Linux Server Security is for, setup, hardening, monitoring, and a human on call day and night.