https://example-foo-bar.com?l=100&o=0 // returns the first 100 items.

https://example-foo-bar.com?l=100&o=0

https://example-foo-bar.com?l=100&o=99

https://example-foo-bar.com?l=100&o=199

https://example-foo-bar.com?l=100&o=218 // end of response ?

function testLoop(){

  $limit = 100;

  $count = getCount();

  $j = ceil($count/$limit);

  for ($i = 0; $i < $j; $i++){
    $offset = $i*100;
    echo 'https://example-foo-bar?limit='.$limit.'&offset='.$offset.'';
  }
 }

 testLoop();