php专区

$string = "亲爱的朋友欢迎访问胡文芳的博客，希望给您带来一点点的帮助！";

iconv("utf8","gbk",$string)//将字符串string  编码由utf8转变成gbk；

echo $str= '你好,欢迎访问胡文芳的博客，该博客记录一个程序员的成长过程!';
echo '
';
echo iconv('GB2312', 'UTF-8', $str); //将字符串的编码从GB2312转到UTF-8
echo '
';
echo iconv_substr($str, 1, 1, 'UTF-8'); //按字符个数截取而非字节
print_r(iconv_get_encoding()); //得到当前页面编码信息
echo iconv_strlen($str, 'UTF-8'); //得到设定编码的字符串长度
//也有这样用的
$content = iconv("UTF-8","gbk//TRANSLIT",$content);

 $str="www.php100.com,ok!the string is € .我要转换他！⊙●○①⊕◎Θ⊙¤?";
 echo '没有任何参数 : ', iconv("utf-8", "gbk", $str)."
";

$infocontent=iconv("utf-8","gbk//IGNORE",$infocontent);

或者

$infocontent=iconv("utf-8","gbk//TRANSLIT",$infocontent);