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PHP function code to determine character set and transcode

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Release： 2016-07-25 08:56:06

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function safeEncoding($string,$outEncoding ='UTF-8')
{
$encoding = "UTF-8";
for($i=0;$i {
if(ord($string{$i})<128)
continue;
if((ord($string{$i})&224)==224)
{
//The first byte passed the judgment
$char = $string{++$i};
if((ord($char)&128)==128)
{
//The second byte passed the judgment
$char = $string{++$i};
if((ord($char)&128)==128)
{
$encoding = "UTF-8";
break;
}
}
}
if((ord($string{$i})&192)==192)
{
//The first byte is judged through
$char = $string{++$i};
if((ord( $char)&128)==128)
{
// The second byte is judged through
$encoding = "GB2312";
break;
}
}
}
if(strtoupper($encoding) == strtoupper ($outEncoding))
return $string;
else
return iconv($encoding,$outEncoding,$string);
}
?>

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php判断字符集并转码的函数代码

source：php.cn

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