php 判断网页是否是utf8编码的方法
author:一佰互联 2019-04-29   click:188
//判断编码
复制代码 代码如下:
$encode = mb_detect_encoding($q, array("GB2312","GBK","UTF-8"));
echo $encode."<br/>";
if($encode=="GB2312")
{
    $q = iconv("GBK","UTF-8",$q);
}
else if($encode=="GBK")
{
    $q = iconv("GBK","UTF-8",$q);
}
else if($encode=="EUC-CN")
{
    $q = iconv("GBK","UTF-8",$q);
}
else//CP936
{
    //$q = iconv("GB2312","UTF-8",$q);
}


其实就是利用了mb_detect_encoding函数,如果不是utf8编码就转换为utf8编码,防止出现乱码等情况。