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| 1 | <?php |
| 2 | /** |
| 3 | * This file is part of PHPPresentation - A pure PHP library for reading and writing |
| 4 | * presentations documents. |
| 5 | * |
| 6 | * PHPPresentation is free software distributed under the terms of the GNU Lesser |
| 7 | * General Public License version 3 as published by the Free Software Foundation. |
| 8 | * |
| 9 | * For the full copyright and license information, please read the LICENSE |
| 10 | * file that was distributed with this source code. For the full list of |
| 11 | * contributors, visit https://github.com/PHPOffice/PHPPresentation/contributors. |
| 12 | * |
| 13 | * @see https://github.com/PHPOffice/PHPPresentation |
| 14 | * |
| 15 | * @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace PhpOffice\PhpPresentation; |
| 21 | |
| 22 | /** |
| 23 | * PhpOffice\PhpPresentation\ComparableInterface. |
| 24 | */ |
| 25 | interface ComparableInterface |
| 26 | { |
| 27 | /** |
| 28 | * Get hash code. |
| 29 | * |
| 30 | * @return string Hash code |
| 31 | */ |
| 32 | public function getHashCode(): string; |
| 33 | |
| 34 | /** |
| 35 | * Get hash index. |
| 36 | * |
| 37 | * Note that this index may vary during script execution! Only reliable moment is |
| 38 | * while doing a write of a workbook and when changes are not allowed. |
| 39 | * |
| 40 | * @return null|int Hash index |
| 41 | */ |
| 42 | public function getHashIndex(): ?int; |
| 43 | |
| 44 | /** |
| 45 | * Set hash index. |
| 46 | * |
| 47 | * Note that this index may vary during script execution! Only reliable moment is |
| 48 | * while doing a write of a workbook and when changes are not allowed. |
| 49 | * |
| 50 | * @param int $value Hash index |
| 51 | * |
| 52 | * @return $this |
| 53 | */ |
| 54 | public function setHashIndex(int $value); |
| 55 | } |