PHP Tutorial - PHP Best Practices
✅ PHP Best Practices
Security
- Validate user input
- Use prepared statements (SQL injection)
- Hash passwords (password_hash)
- Escape output (htmlspecialchars)
Code Quality
- Use meaningful names
- Comment your code
- Avoid global variables
- Error handling
Example
<?php
// Good practice
$stmt = $pdo->prepare("SELECT * FROM users WHERE id = ?");
$stmt->execute([$id]);
?>