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<?php $url = 'http://普遍接受-测试.世界'; $parts = parse_url($url); var_dump( '普遍接受-测试.世界' === $parts['host'] );
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.26, 8.0.0 - 8.0.13, 8.1rc1 - rc3
bool(true)

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