PHP Comments

In PHP, comments are used to annotate code, making it easier to understand and maintain. Comments are ignored by the PHP interpreter, so they do not affect the execution of your code. Here’s a guide to different types of comments you can use in PHP:

1. Single-Line Comments

Single-line comments are used for brief notes or explanations that apply to a single line of code.

Using //: Everything after // on the same line is considered a comment

Using #: This is another way to write single-line comments, commonly used in Unix/Linux shell scripts.

2. Multi-Line Comments

Multi-line comments are used when you need to write longer explanations or comments that span multiple lines.

Using /* ... */: Everything between /* and */ is treated as a comment, and it can span multiple lines.

Best Practices

1. Be Clear and Concise: Write comments that clearly explain what the code does without being overly verbose.
2. Keep Comments Up-to-Date: Ensure comments accurately reflect the current state of the code.
3. Avoid Redundant Comments: Don’t state the obvious; focus on explaining why something is done, not what is done, if it’s already clear from the code.
4. Use Consistent Style: Stick to one style of commenting throughout your codebase for consistency.