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| 1 | <?php |
| 2 | |
| 3 | namespace WikimediaEvents\PageSplitter; |
| 4 | |
| 5 | /** |
| 6 | * @license GPL-2.0-or-later |
| 7 | */ |
| 8 | class PageHashGenerate { |
| 9 | |
| 10 | /** |
| 11 | * Get hash of a page ID as a float between 0.0 (inclusive) and 1.0 (non-inclusive). |
| 12 | * |
| 13 | * @param int $pageId |
| 14 | * @return float |
| 15 | */ |
| 16 | public function getPageHash( int $pageId ): float { |
| 17 | return intval( substr( md5( (string)$pageId ), 0, 6 ), 16 ) / ( 0xffffff + 1 ); |
| 18 | } |
| 19 | |
| 20 | } |