PHP json_encode function problem

Problem with php's json_encode function: $ary = []; $ary[0] = 'a'; $ary[1] = 'b'; echo json_encode($ary) . 'br'; echo json_encode($ ary, JSON_FORCE_OBJECT); Result: ["a","b"] {"0":"a","1":"b"}

php json_encode function problem:

$ary = [];
$ary[0] = 'a';
$ary[1] = 'b';
echo json_encode($ary) . '
';
echo json_encode($ary, JSON_FORCE_OBJECT);

Result:

["a","b"]
{"0":"a","1":"b"}