📌 PHP Array Functions — Index
Parent: Array Index | DSA Master
| Section | Key Functions |
|---|---|
| 1. Transform Functions | array_map, array_walk |
| 2. Filter Functions | array_filter |
| 3. Reduce Functions | array_reduce |
| 4. Search Functions | in_array, array_search, array_key_exists |
| 5. Sort Functions | sort, rsort, usort, asort, ksort |
| 6. Merge & Combine | array_merge, array_combine, array_zip |
| 7. Slice & Splice | array_slice, array_splice |
| 8. Math Functions | array_sum, array_product, array_count_values |
| 9. Set Operations | array_unique, array_diff, array_intersect |
| 10. Laravel Collection Equivalents | ->map(), ->filter(), ->reduce() |
| 11. When to Use What — Decision Table | Quick reference |