| Conditions | 4 |
| Paths | 4 |
| Total Lines | 22 |
| Code Lines | 11 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
| 1 | <?php |
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| 13 | static function getMainDomain($url) { |
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| 14 | $host = parse_url($url, PHP_URL_HOST); // 获取host部分 |
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| 15 | if (!$host) { |
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| 16 | return ''; |
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| 17 | } |
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| 18 | |||
| 19 | // 假设主域名至少有两个部分(例如:example.com),并且不包含子域名 |
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| 20 | $parts = explode('.', $host); |
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| 21 | $count = count($parts); |
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| 22 | |||
| 23 | /* |
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| 24 | * 通常情况下,主域名由最后两个部分组成 |
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| 25 | * 但这可能不适用于所有情况,特别是当TLD是.co.uk这样的 |
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| 26 | */ |
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| 27 | if ($count > 2) { |
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| 28 | return implode('.', array_slice($parts, -2)); // 返回最后两个部分的组合 |
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| 29 | } elseif ($count == 2) { |
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| 30 | // 如果只有两个部分,则直接返回整个host作为主域名 |
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| 31 | return $host; |
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| 32 | } else { |
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| 33 | // 如果少于两个部分,可能不是一个有效的域名 |
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| 34 | return ''; |
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| 35 | } |
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| 38 |
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.