<?php function unicode_encode($name) {     $name = iconv('UTF-8', 'UCS-2', $name);     $len = strlen($name);     $str = '';     for ($i = 0; $i < $len - 1; $i = $i + 2)     {         $c = $name[$i];         $c2 = $name[$i + 1];         if (ord($c) > 0)         {   //两个字节的文字             $str .= '\u'.base_convert(ord($c), 10, 16).str_pad(base_convert(ord($c2), 10, 16), 2, 0, STR_PAD_LEFT);         }         else         {             $str .= $c2;         }     }     return $str; } //将UNICODE编码后的内容进行解码 function unicode_decode($name) {     //转换编码，将Unicode编码转换成可以浏览的utf-8编码     $pattern = '/([\w]+)|(\\\u([\w]{4}))/i';     preg_match_all($pattern, $name, $matches);     if (!empty($matches))     {         $name = '';         for ($j = 0; $j < count($matches[0]); $j++)         {             $str = $matches[0][$j];             if (strpos($str, '\\u') === 0)             {                 $code = base_convert(substr($str, 2, 2), 16, 10);                 $code2 = base_convert(substr($str, 4), 16, 10);                 $c = chr($code).chr($code2);                 $c = iconv('UCS-2', 'UTF-8', $c);                 $name .= $c;             }             else             {                 $name .= $str;             }         }     }     return $name; }