Bubble sort implemented with loops in kotlin

BubbleSortLoop.kt

fun bubbleSortLoop(inputArray: Array<Int>): Array<Int> {
        var iterations = 1
        var isSorted: Boolean

        for (i in 0 until inputArray.size -1) {
            isSorted = true
            // This print is for see the interactions in sort algorithm
            println("Iteration number: ${iterations++}")
            for (j in 0 until inputArray.size -i -1) {
              if (inputArray[j] > inputArray[j+1]) {
                  swapNumberInArray(inputArray, j)
                  isSorted = false
              }
            }
            if (isSorted) {
                return inputArray
            }
        }
        return inputArray
    }