php实现twTrCn-简繁转化
参照别人的PHP方法，封装了一个PHP简繁体转化的类。其中包括一个配置文件、一个类文件。
配置文件：主要是简繁体对应的字体，可以手动的添加简繁体库
类文件：主要是两个function，一个提供简体转化为繁体，相应的另外一个就是繁体转化为简体。
这里的配置文件我就不解释了，可以看一下转化类的代码：
require_once "transfer_config.php";//读取简繁体配置文件class Transfer {const ZH_ASCII_LOW = 224; //中文ASCII的最小值const ZH_ASCII_HIGHT = 239; //中文ASCII的最大值public static $utf8_gb2312; //类的变量，存储繁体public static $utf8_big5; //类的变量，存储简体public function __construct() {global $UTF8_GB2312;global $UTF8_BIG5;self::$utf8_gb2312 = $UTF8_GB2312;self::$utf8_big5 = $UTF8_BIG5;}public function cnToTw($string) {$traditional = ""; //繁体变量初始化$length = strlen($string);//提取string字符串的ASCII码长度，注意一个中文字符对应于3位$count = 0;while ($count < $length) {//获取$count位置上的ASCII值$ascii = ord($string{$count});if ($ascii >= self::ZH_ASCII_LOW && $ascii <= self::ZH_ASCII_HIGHT) {if (($temp = strpos(self::$utf8_gb2312, $string{$count} . $string{$count + 1} . $string{$count + 2})) !== false) {$traditional .= self::$utf8_big5{$temp} . self::$utf8_big5{$temp + 1} . self::$utf8_big5{$temp + 2};$count += 3;continue;}}$traditional .= $string{$count++};}return $traditional;}public function twToCn($string) {$simplified = "";$length = strlen($string);$count = 0;while ($count < $length) {//获取$count位置上的ASCII值$ascii = ord($string{$count});if ($ascii >= self::ZH_ASCII_LOW && $ascii <= self::ZH_ASCII_HIGHT) {if (($temp = strpos(self::$utf8_big5, $string{$count} . $string{$count + 1} . $string{$count + 2})) !== false) {$simplified .= self::$utf8_gb2312{$temp} . self::$utf8_gb2312{$temp + 1} . self::$utf8_gb2312{$temp + 2};$count += 3;continue;}}$simplified .= $string{$count++};}return $simplified;}}
配有附件测试代码，需要的话可以下载使用哦亲！
下载地址：http://files.cnblogs.com/huangdh3/twTrCn-%E7%AE%80%E7%B9%81%E8%BD%AC%E5%8C%96php%E6%8F%92%E4%BB%B6.zip
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