PHP and Algorithmic Thinking for the Complete Beginner

Chapter 34 More with Arrays

34.1 Simple Exercises with Arrays

Exercise 34.1-1 Creating an Array that Contains the Average Values of its Neighboring Elements

Write a PHP script that lets the user enter 100 positive numerical values into an array. Then, the script must create a new array of 98 elements. This new array must contain, in each position the average value of the three elements that exist in the current and the next two positions of the user-provided array.

Solution

Let's try to understand this exercise through an example using 10 elements.

Array $newArr is the new array that is created. In array $newArr, the element at position 0 is the ...