AutoPagingIterator.php
6 years ago
CaseInsensitiveArray.php
6 years ago
DefaultLogger.php
6 years ago
LoggerInterface.php
6 years ago
RandomGenerator.php
6 years ago
RequestOptions.php
6 years ago
Set.php
6 years ago
Util.php
6 years ago
RandomGenerator.php
35 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Stripe\Util; |
| 4 | |
| 5 | /** |
| 6 | * A basic random generator. This is in a separate class so we the generator |
| 7 | * can be injected as a dependency and replaced with a mock in tests. |
| 8 | */ |
| 9 | class RandomGenerator |
| 10 | { |
| 11 | /** |
| 12 | * Returns a random value between 0 and $max. |
| 13 | * |
| 14 | * @param float $max (optional) |
| 15 | * @return float |
| 16 | */ |
| 17 | public function randFloat($max = 1.0) |
| 18 | { |
| 19 | return mt_rand() / mt_getrandmax() * $max; |
| 20 | } |
| 21 | |
| 22 | /** |
| 23 | * Returns a v4 UUID. |
| 24 | * |
| 25 | * @return string |
| 26 | */ |
| 27 | public function uuid() |
| 28 | { |
| 29 | $arr = array_values(unpack('N1a/n4b/N1c', openssl_random_pseudo_bytes(16))); |
| 30 | $arr[2] = ($arr[2] & 0x0fff) | 0x4000; |
| 31 | $arr[3] = ($arr[3] & 0x3fff) | 0x8000; |
| 32 | return vsprintf('%08x-%04x-%04x-%04x-%04x%08x', $arr); |
| 33 | } |
| 34 | } |
| 35 |