The big upgrade. All the way up to Symfony 7 and PHP 8.3

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THE BIG UPGRADE All the way up to Symfony 7 and PHP 8.3

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I have been a software developer for more than 30 years. In the development space I have done everything: I have done games, e-commerce, APIs, backend, frontend, Android, SRE, DevOps... And I have worked with multiple languages and technologies: C++, PHP, Java, JavaScript, SQL, MongoDB, Docker… Carlos Granados PHP 100% Symfony 100%

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https://fastdebug.io Looking for beta users!

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https://github.com/php-static-analysis/attributes PHP STATIC ANALYSIS ATTRIBUTES

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TABLE OF CONTENTS 01 Current status 02 Preparation 03 Execution 04 Conclusions

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CURRENT STATUS 01

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WizAI was founded in 2001 and its focus is on digital signage and intelligent information systems. They provide the right display hardware for their customers and their CMS software wizperZone and enable users to display their digital content in an appealing way. THE COMPANY Started working there in July 2023

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● Symfony 3.4 CURRENT STATUS ● PHP 7.2 ● REST API with an Angular NG frontend ● Approx. 1K PHP files and 100K LOC ● Almost no tests ● No CI setup ● No containers ● No static analysis tools ● No common coding standard ● Very heterogeneous code base

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PREPARATION 02

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90% DEDICATION 1 TESTS, 1 TOOLS HUMAN RESOURCES 4 MONTHS 2 DEVELOPERS

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01 – DOCKERISE

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02 – ADD PHPUNIT

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03 – CREATE CI PIPELINE

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04 – ADD MIGRATIONS BUNDLE

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05 – ADD FIXTURES BUNDLE

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06 – ADD BEHAT

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06 – ADD BEHAT

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06 – ADD BEHAT

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06 – ADD BEHAT - Very good integration with Symfony - Allows you to cover a lot of code with very few tests - Does not create real HTTP requests, it simulates them by directly calling the Symfony kernel - It is very fast

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07 – CODE COVERAGE

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08 – PHPSTAN

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09 – CODING STANDARD

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10 – RECTOR

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SMALL PRS SINGLE PURPOSE MODUS OPERANDI WORK IN PARALLEL LITTLE STEPS

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END RESULT - Database setup with migrations and fixtures - Good test code coverage with Behat and PHPUnit - CI pipeline in place - Static Analysis - PSR-12 compliant code base - Code fully updated to Symfony 3.4 and PHP 7.4 - Rector refactoring tool available

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EXECUTION 03

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90% DEDICATION 4 MONTHS HUMAN RESOURCES 1 DEVELOPER

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https://github.com/symfony/symfony/blob/5.0/UPGRADE-5.0.md https://symfonycasts.com/screencast/symfony6-upgrade/upgrade-symfony6 DOC RESOURCES https://symfony.com/doc/current/setup/upgrade_major.html

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01 – DEPRECATIONS

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01 – DEPRECATIONS

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01 – DEPRECATIONS

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02 – UPDATE VERSION

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02 – UPDATE VERSION

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03 – DEPENDENCY HELL

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03 – DEPENDENCY HELL

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03 – DEPENDENCY HELL

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03 – DEPENDENCY HELL

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04 – UPDATE YOUR CODE

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05 – SF4 - FOLDERS

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06 – SF4 - FLEX https://symfony.com/doc/current/setup/flex.html composer recipes:update

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07 – SF4 - PARAMETERS

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08 – SF4 - BEHAT

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09 – SF5 - MAILER

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10 – SF5 – PHP8

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11 – SF6 – ATTRIBUTES

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SMALL PRS SINGLE PURPOSE MODUS OPERANDI WORK IN PARALLEL LITTLE STEPS

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CURRENT MAIN/PROD NEXT STAGING MODUS OPERANDI NEXT+ BRANCH THREE VERSIONS

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CONCLUSIONS 04

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END RESULT - Well tested, modern and homogeneous code base - Faster code base - Safer code base - Allows us to use all the latest Symfony capabilities - Allows us to use the latest PHP constructs - Matches latest documentation - Matches current presentations

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THANKS! [email protected] carlos-granados @carlos_granados