本文提供了两个PHP函数，用于将不同字符集的数据转换为GBK或UTF-8格式。通过递归处理数组，并利用mb_detect_encoding和iconv函数实现字符集检测与转换。
/**
* 将非GBK字符集的编码转为GBK
*
* @param mixed $mixed 源数据
*
* @return mixed GBK格式数据
*/
function charsetToGBK($mixed)
{
if (is_array($mixed)) {
foreach ($mixed as $k => $v) {
if (is_array($v)) {
$mixed[$k] = charsetToGBK($v);
} else {
$encode = mb_detect_encoding($v, array('ASCII', 'UTF-8', 'GB2312', 'GBK', 'BIG5'));
if ($encode == 'UTF-8') {
$mixed[$k] = iconv('UTF-8', 'GBK', $v);
}
}
}
} else {
$encode = mb_detect_encoding($mixed, array('ASCII', 'UTF-8', 'GB2312', 'GBK', 'BIG5'));
//var_dump($encode);
if ($encode == 'UTF-8') {
$mixed = iconv('UTF-8', 'GBK', $mixed);
}
}
return $mixed;
}
/**
* 将非UTF-8字符集的编码转为UTF-8
*
* @param mixed $mixed 源数据
*
* @return mixed utf-8格式数据
*/
function charsetToUTF8($mixed)
{
if (is_array($mixed)) {
foreach ($mixed as $k => $v) {
if (is_array($v)) {
$mixed[$k] = charsetToUTF8($v);
} else {
$encode = mb_detect_encoding($v, array('ASCII', 'UTF-8', 'GB2312', 'GBK', 'BIG5'));
if ($encode == 'EUC-CN') {
$mixed[$k] = iconv('GBK', 'UTF-8', $v);
}
}
}
} else {
$encode = mb_detect_encoding($mixed, array('ASCII', 'UTF-8', 'GB2312', 'GBK', 'BIG5'));
if ($encode == 'EUC-CN') {
$mixed = iconv('GBK', 'UTF-8', $mixed);
}
}
return $mixed;
}
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