说明：  由于[https: github.com wulijun php-ext-trie- filter扩展不支持PHP7,所以只好放弃扩展,自己用PHP写个trie树来实现最大匹配](https: github.com wulijun php- ext-trie- filter%E6%89%A9%E5%B1%95%E4%B8%8D%E6%94%AF%E6%8C%81PHP7%EF%BC%8C%E6%89%80%E4%BB%A5%E5%8F%AA%E5%A5%BD%E6%94%BE%E5%BC%83%E6%89%A9%E5%B1%95%EF%BC%8C%E8%87%AA%E5%B7%B1%E7%94%A8PHP%E5%86%99%E4%B8%AAtrie%E6%A0%91%E6%9D%A5%E5%AE%9E%E7%8E%B0%E6%9C%80%E5%A4%A7%E5%8C%B9%E9%85%8D),
([https: github.com wulijun php ext try filter extension does not support PHP 7, so I have to give up the extension and write a trie tree in PHP to achieve maximum matching] (https: github.com wulijun php - ext try filter% E6% 89% A9% E5% B1% 95% E4% B8% 8D% E6% 94% AF% E6% 8C% 81PHP7% EF% BC% 8C% E6% 89% 80% E4% BB% A5% E5% 8F% AA% E5% A5% BD% E6% 94% BE% E5% BC% 83% E6% 89% A9% E5% B1% 95% EF% BC% 8C% E8% 87% AA% E5% B7% B1% E7% 94% A8PHP% E5% 86% 99% E4% B8% AAtrie% E6% A0% 91% E6% 9D% A5% E5% AE% 9E% E7% 8E% B0% E6% 9C% 80% E5% A4% A7% E5% 8C% B9% E9% 85% 8D),)