Reindex多维数组从1个索引到0索引为基础[关闭]

Question

Array
(
    [1] => Array
        (
            [1] => 1
            [2] => 2
        )

    [2] => Array
        (
            [1] => 1
            [2] => 2
        )

    [3] => Array
        (
            [1] => 1
        )

)

I want to change internal array key its start from 0 and 1 not [1]= 1

Answer 1

foreach($outerArray as $key => $innerArray)
{
    $outerArray[$key] = array_values($innerArray);
}