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  1. <?php
  2. function isContinuousSequence(array $numbers) {
  3.     $foo = true;
  4.     if (!empty($numbers)) {
  5.         for ($i = 0;$i < count($numbers) - 1;$i++) {
  6.             if (($numbers[$i] - ($numbers[$i + 1]) != - 1)) {
  7.                 $foo = false;
  8.                 break;
  9.             }
  10.         }
  11.     } else {
  12.         $foo = false;
  13.     }
  14.     return $foo;
  15. }
  16. echo isContinuousSequence([10, 11, 12, 13]); // => true
  17. echo '<br>';
  18. echo isContinuousSequence([10, 11, 12, 14, 15]); // => false
  19. echo '<br>';
  20. echo isContinuousSequence([]); // => false
  21. echo '<br>';
  22. echo isContinuousSequence([0, 1, 2, 3]); // => true
  23. echo '<br>';
  24. echo isContinuousSequence([-5, -4, -3]); // => true
  25. echo '<br>';
  26. echo isContinuousSequence([10, 11, 12, 13]); // => true
  27. echo '<br>';
  28. echo isContinuousSequence([10, 11, 12, 14, 15]); // => false
  29.  
Success #stdin #stdout 0.02s 23520KB
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1<br><br><br>1<br>1<br>1<br>
https://ideone.com/ovUzfA
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
secret

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