Add --stop-on-failure option to halt analysis on first error

[idsulik]

Summary

Adds a new --stop-on-failure CLI option that stops PHPStan analysis immediately when the first error is encountered in any file.

Changes

• New CLI Option: --stop-on-failure flag added to AnalyseCommand
• Sequential Mode: Forces sequential analysis (disables parallel processing) when enabled for proper file-by-file control
• Error Handling: Stops on both regular PHPStan errors and internal errors (exceptions)
• Backward Compatibility: No impact on existing behavior when option is not used

Use Cases

• Incremental error fixing: Focus on fixing one error at a time
• CI/CD pipelines: Fail fast on first error to save build time
• Large codebases: Quick feedback without processing all files
• Development workflows: Immediate feedback on first issue

Testing

• ✅ Manual testing with multiple error files
• ✅ Unit tests covering various scenarios
• ✅ Backward compatibility verified
• ✅ Help text updated and verified

Example Usage

# Stop on first failure
phpstan analyse src/ --stop-on-failure

# Combined with other options
phpstan analyse src/ --stop-on-failure --level 8 --no-progress

[ondrejmirtes]

Feels and probably is vibe-coded. And it's missing the main point - --stop-on-failure has to stop only a non-ignored error.

[idsulik]

Feels and probably is vibe-coded.

Is it bad or good?

it's missing the main point - --stop-on-failure has to stop only a non-ignored error.

thank you, I'll check and fix it