exponential-backoff-test-fixed.php

<?php

 function eb($retries)
 {
     return min(20000, (int) pow(2, $retries) * 100) + mt_rand(0, 100);
 }

 for($i = 0; $i < 10; $i++)
 {
     echo "Round $i\n";
     for($r = 0; $r < 3; $r++)
     {
         echo " ".eb($r)."\n";
     }
 }

/*
Round 0
 108
 281
 428
Round 1
 110
 204
 495
Round 2
 132
 251
 473
Round 3
 197
 228
 479
Round 4
 151
 214
 482
Round 5
 145
 205
 427
Round 6
 126
 256
 403
Round 7
 131
 212
 403
Round 8
 108
 248
 487
Round 9
 144
 226
 458
*/