PHP解码unicode编码中文字符代码

 1 function replace_unicode_escape_sequence($match) {
 2 return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
 3 }
 4 $name = 'u65b0u6d6au5faeu535a';
 5 $str = preg_replace_callback('/\\u([0-9a-f]{4})/i', 'replace_unicode_escape_sequence', $name);
 6 echo $str; //输出： 新浪微博
 7 // www.jbxue.com 脚本学堂
 8 //咱将上述方案A给封装起来~~~(方案A稳定版+升级+推荐)
 9 class Helper_Tool
10 {
11 static function unicodeDecode($data)
12 { 
13 function replace_unicode_escape_sequence($match) {
14 return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
15 } 
16 
17 $rs = preg_replace_callback('/\\u([0-9a-f]{4})/i', 'replace_unicode_escape_sequence', $data);
18 
19 return $rs;
20 } 
21 }
22 //调用
23 $name = 'u65b0u6d6au5faeu535a';
24 $data = Helper_Tool::unicodeDecode($name); //输出新浪微博