It Depends. It Always Depends.

• There's no absolute advice on technical terms or coding.
• Use PHP attributes and names in functions when it's appropriate and valuable.
• Use database transactions only when you have multiple operations and there's a risk of something going wrong.
• The length of a controller is contextual to the project, team, goals, budget, or deadlines.
• Always double check advice with other sources and consider if it fits into your situation and projects.
• What works for small freelancers may not work in a corporate environment with enterprise clients and vice versa.

via It Depends. It Always Depends.