# 字符串 **漢字轉拼音** ``` echo String::pinyin('后盾'); ``` **PHP代碼壓縮/去空白注釋** ``` String::stripWhitespace(file_get_contents('hdphp/hdphp.php')); ``` **全角轉半角** ``` echo String::toSemiangle('，“'); ``` **去除標點符號** ``` echo String::removePunctuation('北京后盾網，免費開源框架。'); ``` **utf8轉gbk** ``` String::utf8ToGbk("后盾網人人做后盾"); ``` **gbk轉utf8** ``` String::gbkToUtf8("后盾網人人做后盾"); ``` **生成隨機數** ``` //生成10位隨機數 String::rand(10); ```