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| Gravatar | |
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| getUrl | |
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| getHash | |
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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Service class for Gravatar support. |
| 5 | * |
| 6 | * This Source Code Form is subject to the terms of the Mozilla Public License, |
| 7 | * v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| 8 | * obtain one at https://mozilla.org/MPL/2.0/. |
| 9 | * |
| 10 | * @package phpMyFAQ |
| 11 | * @author Thorsten Rinne <thorsten@phpmyfaq.de> |
| 12 | * @copyright 2013-2026 phpMyFAQ Team |
| 13 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 14 | * @link https://www.phpmyfaq.de |
| 15 | * @since 2013-01-14 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\Service; |
| 21 | |
| 22 | /** |
| 23 | * Class Gravatar |
| 24 | * |
| 25 | * @package phpMyFAQ\Services |
| 26 | */ |
| 27 | class Gravatar |
| 28 | { |
| 29 | private string $httpBaseUrl = 'https://secure.gravatar.com/'; |
| 30 | |
| 31 | /** |
| 32 | * Returns an image or the URL to the image of a Gravatar based off an email |
| 33 | * address. |
| 34 | * |
| 35 | * @param string $email Email address |
| 36 | * @param string[] $params Allows multiple keys with values to give more control |
| 37 | */ |
| 38 | public function getImage(string $email, array $params = []): string |
| 39 | { |
| 40 | $imageUrl = $this->getUrl() . 'avatar/' . $this->getHash($email); |
| 41 | $opts = []; |
| 42 | |
| 43 | if (array_key_exists('default', $params)) { |
| 44 | $opts[] = 'default=' . $params['default']; |
| 45 | } |
| 46 | |
| 47 | if (array_key_exists('size', $params)) { |
| 48 | $opts[] = 'size=' . $params['size']; |
| 49 | } |
| 50 | |
| 51 | if (array_key_exists('rating', $params)) { |
| 52 | $opts[] = 'rating=' . $params['rating']; |
| 53 | } |
| 54 | |
| 55 | if (array_key_exists('force_default', $params) && $params['force_default']) { |
| 56 | $opts[] = 'forcedefault=y'; |
| 57 | } |
| 58 | |
| 59 | if (!array_key_exists('class', $params)) { |
| 60 | $params['class'] = ''; |
| 61 | } |
| 62 | |
| 63 | $gravatar = $imageUrl . ($opts !== [] ? '?' . implode('&', $opts) : ''); |
| 64 | |
| 65 | return sprintf('<img src="%s" class="%s" alt="Gravatar">', htmlspecialchars($gravatar), $params['class']); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Returns the URL to a Gravatar image based on an email address. |
| 70 | * |
| 71 | * @param string $email Email address |
| 72 | * @param string[] $params Allows multiple keys with values to give more control |
| 73 | */ |
| 74 | public function getImageUrl(string $email, array $params = []): string |
| 75 | { |
| 76 | $imageUrl = $this->getUrl() . 'avatar/' . $this->getHash($email); |
| 77 | $opts = []; |
| 78 | |
| 79 | if (array_key_exists('default', $params)) { |
| 80 | $opts[] = 'default=' . $params['default']; |
| 81 | } |
| 82 | |
| 83 | if (array_key_exists('size', $params)) { |
| 84 | $opts[] = 'size=' . $params['size']; |
| 85 | } |
| 86 | |
| 87 | if (array_key_exists('rating', $params)) { |
| 88 | $opts[] = 'rating=' . $params['rating']; |
| 89 | } |
| 90 | |
| 91 | if (array_key_exists('force_default', $params) && $params['force_default']) { |
| 92 | $opts[] = 'forcedefault=y'; |
| 93 | } |
| 94 | |
| 95 | return $imageUrl . ($opts !== [] ? '?' . implode('&', $opts) : ''); |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Returns the base URL |
| 100 | */ |
| 101 | private function getUrl(): string |
| 102 | { |
| 103 | return $this->httpBaseUrl; |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Returns a MD5 hash of an email address. |
| 108 | * |
| 109 | * @param string $email Email address |
| 110 | */ |
| 111 | private function getHash(string $email): string |
| 112 | { |
| 113 | return md5($email); |
| 114 | } |
| 115 | } |