utf8_encode() 函数把 iso-8859-1 字符串编码为 utf-8。
utf8_encode(string);
*/
$str="你好，世界！"; //定义字符串
$result=utf8_decode($str); //进行编码转换
echo $result; //输出转换结果
//实例二
/*
utf8_decode() 函数把 utf-8 字符串解码为 iso-8859-1。
该函数把用 utf-8 方式编码的 iso-8859-1 字符串转换成单字节的 iso-8859-1 字符串。
如果成功，该函数将返回解码字符串；否则返回 false。
utf8_decode(string)
*/
$str="hello world!"; //定义字符串
$result=utf8_decode($str); //进行编码转换
echo $result;
$result=utf8_encode($result); //进行编码转换
echo $result; //输出转换结果
?>
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