array_file_keys:使用指定的键和值填充数组

1. [代码]array_fill_keys    

$arr_keys = ['aa','bb'];
$values = ['11','22',33];

$arr = array_fill_keys($arr_keys,$values);

echo '<pre>';
print_r($arr);

result:
Array
(
    [aa] => Array
        (
            [0] => 11
            [1] => 22
            [2] => 33
        )

    [bb] => Array
        (
            [0] => 11
            [1] => 22
            [2] => 33
        )

)