Swift shuffle array

gistfile1.swift

var myArray = [1,2,3,4,5,6,7,8]

func shuffleArray(array: [Int]) -> [Int] {
    
    var tempArray = array
    for index in 0...array.count - 1 {
        let randomNumber = arc4random_uniform(UInt32(myArray.count - 1))
        let randomIndex = Int(randomNumber)
        tempArray[randomIndex] = array[index]
    }
    
    return tempArray
}

shuffleArray(myArray)
shuffleArray(myArray)
shuffleArray(myArray)