John Davidson

Message:

I have Viber bot. I want to save my id's. But file_put_content save all data. I just want user.id.
And also it's repeating ids. So I want just to save user.ids and not to repeat them.

file_put_contents("azer1.txt", file_get_contents("php://input"));

$viber = file_get_contents("azer1.txt");

$viber = JSON_decode($viber);

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My Answer:
'ids.txt', $user_id . PHP_EOL, FILE_APPEND);