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Hidden Gems in PHP Arrays

1. array_map()
→ Apply the function to every element
→ Real demo: Add tax to product prices

2. array_filter()
→ Filter array using a callback
→ Example: Filter out inactive users

3. array_reduce()
→ Reduce the array to single value
→ Sum of numbers or total cart value

4. array_column()
→ Pull a specific column from a multi-dimensional array
→ Super helpful in APIs or DB results

5. array_combine()
→ Combine two arrays into an associative array
→ Real use: Build key-value pairs from user input

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