How to make an infinite check for parameter compliance with a given number when making requests to api?

Question

PHP

Condition, api can return "0" from 2 to +~ times in a row.
You need to make requests to the api until it returns 1.
How can such a check be correctly implemented in php?

Answer 1

$return = null;
while ($return != 1) {
    $return = api_result;
}