原文地址：

https://blog.csdn.net/u011630575/article/details/52164688?locationNum=5&fps=1

https://www.php.net/manual/zh/function.similar-text.php

https://www.php.net/manual/zh/function.levenshtein.php

https://blog.csdn.net/qq_33997198/article/details/103615339

https://www.jb51.net/article/120616.htm

https://blog.csdn.net/weixin_42416926/article/details/115507520

https://blog.csdn.net/sinat_17520485/article/details/101871532

https://www.php.cn/mysql-tutorials-410061.html

https://blog.csdn.net/u010689585/article/details/79332233

http://www.voidcn.com/article/p-vdmkjixm-boe.html

https://www.cnblogs.com/LittleHann/p/5737765.html