Coding Standards

- Paying attention to consistency when naming things:
    - Classes
    - Methods
    - Variables
    - Routes
- Preventing spelling mistakes
- Preventing unsafe code
    - Type hint method parameters
    - Always include user input validation
    - Add exception and error handling
    - Use DB transactions for atomic functions
- Don’t add business logic to Controllers
- Always use doc blocks and comments
- Follow PSR4 standards
- Don’t use inline CSS
- Know the different between web response and JSON response
- Understand HTTP status codes
- Do not pass vague request payloads / parameters into repository methods
- Make sure your method returns are consistent and you have a clear return type