2👍
✅
Try this,
$data = [
[
'x' => '2021-11-06',
'y'=> 50
],
[
'x' => '2022-11-07',
'y'=> 60
],
[
'x' => '2023-11-07',
'y'=> 20
]
];
$data = json_encode($data);