📌 Array Basics — Index
Parent: Array Index | DSA Master
| Section | Description |
|---|---|
| 1. What is an Array | Memory, structure |
| 2. PHP Array Types | Indexed, Associative, Multidimensional |
| 3. CRUD Operations | Create, Read, Update, Delete |
| 4. Traversal Patterns | for, foreach, while, recursive |
| 5. Common Mistakes | Off-by-one, reference bugs |
| 6. Interview Questions | Basics level questions |