Array
(
    [z] => 50000000
    [str] => xy
    [arr] => Array
        (
            [0] => 50000000
            [1] => 200
            [2] => 300
        )

    [str2] => xy"{‚ ‚ |‚¢‚¢}"
    [x] => 400
)
return=
Array
(
    [0] => 50000000
    [1] => 200
    [2] => 300
)