PHPのjson_encode関数の問題

php json_encode 関数の問題: $ary = []; $ary[1] = 'b'; echo json_encode($ary, JSON_FORCE_OBJECT) ); 結果: ["a","b"] {"0":"a","1":"b"}

phpのjson_encode関数の問題:

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

結果:

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