在PHP中解析属性/值列表

a=1&b=2&c=3

$str = "a=1&b=2&c=3";
parse_str($str, $output);

print_r($output);

Array
(
    [a] => 1
    [b] => 2
    [c] => 3
)

a[b][c]=1

$str = "a[b][c]=1";
parse_str($str, $output);

print_r($output);

Array
(
    [a] => Array
        (
            [b] => Array
                (
                    [c] => 1
                )

        )

)