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php实现utf-8和GB2312编码相互转换函数代码_php技巧

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Release: 2016-05-17 09:06:53
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复制代码 代码如下:

 /********************************************
  *
  * 函数名:get_utf8_to_gb($value)
  * 作  用:utf8编码字符串转换成gb2312编码
  * 作  者:刘先忠
  * 日  期:2011-11-09
  *
  ********************************************/
function   get_utf8_to_gb($value){
  $value_1= $value;
  $value_2   =   @iconv( "utf-8", "gb2312//IGNORE",$value_1);//使用@抵制错误,如果转换字符串中,某一个字符在目标字符集里没有对应字符,那么,这个字符之后的部分就被忽略掉了;即结果字符串内容不完整,此时要使用//IGNORE
  $value_3   =   @iconv( "gb2312", "utf-8//IGNORE",$value_2);

 if   (strlen($value_1)   ==   strlen($value_3))
  {
   return   $value_2;
  }else
  {
   return   $value_1;
  }
 }
 /********************************************
  *
  * 函数名:get_gb_to_utf8($value)
  * 作  用:gb2312编码字符串转换成utf8编码
  * 作  者:刘先忠
  * 日  期:2011-11-09
  *
  ********************************************/
 function   get_gb_to_utf8($value){
  $value_1= $value;
  $value_2   =   @iconv( "gb2312", "utf-8//IGNORE",$value_1);
  $value_3   =   @iconv( "utf-8", "gb2312//IGNORE",$value_2);
  if   (strlen($value_1)   ==   strlen($value_3))
  {
   return   $value_2;
  }else
  {
   return   $value_1;
  }
 }
 ?>
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