PHP Tutorial



COMMENTS IN PHP


💬 PHP Comments

Comments are lines in PHP code that are not executed. They are used to explain code, leave notes, or temporarily disable parts of the code.

💡 Note: Comments help improve code readability for yourself and others!

📝 Types of PHP Comments

PHP supports three types of comments:

  1. Single-line Comments (using //)
  2. Single-line Comments (using #)
  3. Multi-line Comments (using /* */)

📌 Example of Comments:

<?php
  // This is a single-line comment
  # This is also a single-line comment

  /* 
    This is a multi-line comment
    that spans across multiple lines
  */

  echo "Hello, World!"; // This prints Hello, World!
?>
👍 Use Case: Comments are great for explaining complex logic or disabling code temporarily during debugging.

✅ Best Practices:

  • Write meaningful comments – not obvious ones.
  • Use multi-line comments for detailed explanations.
  • Don't overuse comments – your code should be self-explanatory where possible.
🎯 Summary:
  • // and # for single-line comments
  • /* */ for multi-line comments
  • Used for documentation, debugging, and code clarity

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