求怎么将2个字符串变成一个数组？

Question

例如str1="12,32,3";str2="0,2,1";
怎么转化成数组
$result=array{
               [12]=>0,
               [32]=>2,
               [3]=>1                         
                 }

Answer 1

$result = array_combine(explode(',', $str1), explode(',', $str2));

Answer 2

$str1 = join(',', array_keys($resunt));
$str2 = join(',', array_values($resunt));