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array_mystery5

Language/Type: PHP array mystery arrays

Consider the following function: 

function array_mystery5($arr) {
    for ($i = 0; $i < count($arr) - 1; $i++) {
        if ($arr[$i] > $arr[$i + 1]) {
            $temp = $arr[$i];
            $arr[$i] = $arr[$i + 1];
            $arr[$i + 1] = $temp;
            $arr[0]++;
        }
    }
    return $arr;
}

For each array below, indicate what the returned array's contents would be after the function array_mystery5 were called and passed that array as its parameter.

[5, 2, 5, 2]
[30, 10, 20, 50, 40]
[99, 88, 77, 66, 55, 44]

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