App Development

Modernizing Legacy PHP Applications During Migration

Old PHP codebases can move to supported runtimes and cleaner architectures during cloud migration — without rewriting everything on day one.

Legacy PHP applications power countless internal tools and customer portals. They often run on end-of-life servers with outdated runtime versions, making migration both urgent and delicate.

Assess before rewriting

Not every legacy app needs a full rewrite. Discovery maps dependencies, authentication flows, and database schemas. Some systems lift-and-shift first; others benefit from PHP version upgrades and dependency updates in staging before cutover.

Phased modernization

  • Stabilize: Move to supported OS and PHP with monitoring
  • Secure: Patch known vulnerabilities, restrict admin access, add TLS everywhere
  • Refactor hot paths: Replace the modules that break most often or block features
  • Integrate: Expose APIs so newer frontends or mobile clients can consume data

Avoid the big-bang trap

Rewriting from scratch while the business depends on daily operations invites scope creep. Incremental phases deliver value — faster login, better reports, automated exports — while legacy pieces retire on a schedule.

Hosting Llama combines migration, hosting, and development so modernization is not split across vendors who blame each other during outages.

Want to talk through your situation?

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