A function that can convert Chinese characters into pinyin_PHP tutorial

​ Many problems are caused by Chinese language problems
For example, it is best not to use Chinese characters for file names
The current solution is generally to generate an ID and use this ID as the file name
If the URL contains Chinese characters on the web page, there will often be errors
The current solution is generally to use urlencode encoding
Now that I’ve used this transformation, it’s much better
Principle: Using multi-dimensional arrays
1. Add index
2. Traverse the array
$d=array(
array("a",-20319),
array("ai",-20317),
array("an",-20304),
array("ang",-20295),
array("ao",-20292),
array("ba",-20283),
array("bai",-20265),
array("ban",-20257),
array("bang",-20242),
array("bao",-20230),
array("bei",-20051),
array("ben",-20036),
array("beng",-20032),
array("bi",-20026),
array("bian",-20002),
array("biao",-19990),
array("bie",-19986),
array("bin",-19982),
array("bing",-19976),
array("bo",-19805),
array("bu",-19784),
array("ca",-19775),
array("cai",-19774),
array("can",-19763),
array("cang",-19756),
array("cao",-19751),
array("ce",-19746),
array("ceng",-19741),
array("cha",-19739),
array("chai",-19728),
array("chan",-19725),
array("chang",-19715),
array("chao",-19540),
array("che",-19531),
array("chen",-19525),
array("cheng",-19515),
array("chi",-19500),
array("chong",-19484),
array("chou",-19479),
array("chu",-19467),
array("chuai",-19289),
array("chuan",-19288),
array("chuang",-19281),
array("chui",-19275),
array("chun",-19270),

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