Spring cleaning

[swissspidy]

No description provided.

[github-actions]

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[gemini-code-assist]

Summary of Changes

Hello @swissspidy, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request undertakes a 'spring cleaning' effort by modernizing the project's development environment and code quality practices. It significantly updates the minimum PHP version requirement, revamps the continuous integration setup by removing Travis CI, and integrates new testing and static analysis tools like Behat and PHPStan. Additionally, it refines the PHP Code Sniffer configuration and addresses specific code style issues for better compliance, ensuring the codebase adheres to contemporary standards.

Highlights

• Minimum PHP Version Update: The minimum required PHP version has been raised from 5.4 to 7.2, aligning the project with more modern PHP standards and features.
• CI/CD Platform Transition: The .travis.yml configuration file has been removed, indicating a shift away from Travis CI for continuous integration, likely to a different platform not specified in this PR.
• Enhanced Testing and Static Analysis: Behat has been introduced for behavior-driven development (BDD) testing, and PHPStan for static analysis. Both are now integrated into the project's test suite via new Composer scripts.
• Updated PHP Code Sniffer Configuration: The phpcs.xml.dist ruleset has been significantly updated, moving to a WP_CLI_CS ruleset, adjusting PHP compatibility checks to 7.2, and refining global naming convention rules. Numerous phpcs:ignore comments have been added to existing code for compliance.
• Improved Constant Handling: The check for the DISABLESUPERCACHEPRELOADING constant now robustly handles both boolean true and the string 'true'.

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[gemini-code-assist]

Code Review

This pull request is a great 'spring cleaning' effort, modernizing the project's dependencies, PHP version support, and code quality tooling. The move to PHP 7.2+, the introduction of PHPStan, and the adoption of a stricter, shared PHPCS ruleset are all excellent improvements. The removal of the Travis CI configuration suggests a migration to a new CI/CD system. My review focuses on a few minor adjustments to ensure full compliance with the new coding standards and a point of consideration regarding the Composer configuration.