PHP汉字转全拼音或拼音首字母,支持gb2312和utf8编码，附带函数说明-PHP characters turn the pinyin or pinyin initials, support gb2312 and utf8 encoding, and with that function

汉字转拼音、根据汉字获取首字母的简拼，工具类，便于开发(Chinese characters to Pinyin initials Jianpin, get Chinese characters)