php制作unicode解码工具(unicode编码转换器)代码分享

代码如下: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),16),2,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),16,10);
$code2 = base_convert(substr($str,4),10);
$c = chr($code).chr($code2);
$c = iconv('UCS-2','UTF-8',$c);
$name .= $c;
}
else
{
$name .= $str;
}
}
}
return $name;
}

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