1. Language Support: Brakeman is designed specifically for Ruby on Rails applications, while PHP CodeSniffer is tailored for PHP codebases. Brakeman analyzes Ruby code to identify security vulnerabilities, while PHP CodeSniffer enforces coding standards in PHP scripts.

2. Focus: Brakeman primarily focuses on security vulnerabilities such as SQL injection, cross-site scripting, and more, helping developers identify potential risks in their Ruby on Rails applications. On the other hand, PHP CodeSniffer concentrates on enforcing coding standards and best practices in PHP code to improve code quality and maintainability.

3. Deployment: Brakeman can be incorporated into the workflow of a Ruby on Rails project through various integration options such as CI/CD pipelines or IDE plugins. PHP CodeSniffer can also be integrated into CI/CD pipelines but is commonly used as a command-line tool for checking code standards locally.

4. Customization: PHP CodeSniffer offers a high level of customization through coding standard rulesets and sniffs, allowing developers to define their own coding standards or use existing ones like PSR-1 and PSR-2. Brakeman, on the other hand, has predefined security checks and configurations that may limit the customization options compared to PHP CodeSniffer.

5. Community Support: Both Brakeman and PHP CodeSniffer have active communities that contribute to the development and improvement of these tools. However, PHP CodeSniffer benefits from a larger user base due to PHP's widespread usage, resulting in more available plugins, rulesets, and support resources compared to Brakeman.

6. Output: Brakeman provides security reports with detailed information about potential vulnerabilities found in the Ruby on Rails application, including line numbers and severity levels. PHP CodeSniffer generates reports focused on coding standard violations, highlighting areas in the PHP code that need improvement to comply with the specified coding standards.

In Summary, Brakeman is specialized for Ruby on Rails security analysis, while PHP CodeSniffer focuses on enforcing PHP coding standards and best practices. Each tool serves a distinct purpose in improving the security and quality of web applications developed in their respective languages.