Array
(
    [0] => 1
    [1] => 2
    [2] => three
    [3] => value
)
The obtained value is: `1`
The obtained value is: `2`
The obtained value is: `three`
The obtained value is: `value`
Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [key1] => value1
    [100] => hello
)
Key: `0` has value: `1`
Key: `1` has value: `2`
Key: `2` has value: `3`
Key: `key1` has value: `value1`
Key: `100` has value: `hello`