
Upgrade you lagacy symfony project
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1 day
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What you get with this Offer
Upgrade Symfony 3.4 to 5.4, 6.4 or 7.x | Legacy Symfony Modernization
Description:
Are you stuck on Symfony 3.4 and worried about security risks, broken dependencies, or PHP version limits?
I specialize in upgrading legacy Symfony applications step by step — 3.4 → 5.4 → 6.4 → 7.x — without breaking your production system.
What I will do:
✅ Audit your existing Symfony application
✅ Upgrade Symfony versions incrementally and safely
✅ Refactor deprecated controllers, services, and bundles
✅ Replace abandoned or incompatible third-party bundles
✅ Upgrade:
Doctrine ORM / DBAL
Twig templates
Console commands
Security & authentication
✅ Ensure compatibility with modern PHP versions
✅ Fix deprecations and runtime errors
✅ Optional: upgrade API Platform, Stripe, or other integrations
Why choose me?
✔ Real-world experience upgrading complex Symfony 3.x systems
✔ Strong understanding of Symfony internals & best practices
✔ Clean, maintainable, future-proof code
✔ Focus on stability, security, and performance
This service helps you extend your application’s life, reduce technical debt, and prepare for future Symfony releases.
Description:
Are you stuck on Symfony 3.4 and worried about security risks, broken dependencies, or PHP version limits?
I specialize in upgrading legacy Symfony applications step by step — 3.4 → 5.4 → 6.4 → 7.x — without breaking your production system.
What I will do:
✅ Audit your existing Symfony application
✅ Upgrade Symfony versions incrementally and safely
✅ Refactor deprecated controllers, services, and bundles
✅ Replace abandoned or incompatible third-party bundles
✅ Upgrade:
Doctrine ORM / DBAL
Twig templates
Console commands
Security & authentication
✅ Ensure compatibility with modern PHP versions
✅ Fix deprecations and runtime errors
✅ Optional: upgrade API Platform, Stripe, or other integrations
Why choose me?
✔ Real-world experience upgrading complex Symfony 3.x systems
✔ Strong understanding of Symfony internals & best practices
✔ Clean, maintainable, future-proof code
✔ Focus on stability, security, and performance
This service helps you extend your application’s life, reduce technical debt, and prepare for future Symfony releases.
What the Freelancer needs to start the work
To start the upgrade safely, I’ll need:
Code access
Git repository access (GitHub / GitLab / Bitbucket)
Current Symfony & PHP versions
Environment details
Server / hosting details (if deployment involved)
Database type (MySQL / PostgreSQL / etc.)
Project scope
Application size (small / medium / large)
Key features & critical business flows
Known issues or blockers
Dependencies
List of third-party bundles & integrations
Custom or legacy bundles (if any)
Quality & safety
Existing test coverage (if available)
Preferred approach (upgrade only / refactor + cleanup)
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