Refactoring Huge Legacy PHP Applications

From 100 hours to minutes

 Tomas Votruba (.com)

getRector.org

2019-10-09

Hi, I'm Tomas!

• freelance consultant
• legacy migrator
• speaker
• blogger
• open-source addict
• "It's not possible"

PHP 7.0 - 809 lines

PHP 7.3 - 651 lines

Symfony 4.0 - 1145 lines

260 results

Text

Text

Code becomes legacy

as soon as it's been written

Text

Text

Code becomes legacy

as soon as it's been written

Text

54 357 lines

151 REST routes

vendor/bin/rector process src

--set nette-to-symfony

4

1

4

Any legacy project

can be migrated to

a new framework

in 1 month.

More Technical?

Before: 850 files - 2628  missing @var props

After: 0 ✅

• growing & active PHP community 

• upgrade machine to PHP 8
• vendor/bin/rector p src --set php80 ✅

• migrate framework?     1 month week
• migrate active rectord to entity repository:                      1 week day

• upgrade-business companies

• Rector CI - tireless & sleepless member of your team in your CI
   
• faster + safer PHP-core development
• BC break = 0 extra work

• Follow @rectorPHP
• Support Rector on Patreon
• Follow @votrubaT 

Thank you! Questions?