关于PHP下字符串乱码的问题,当一个页面存在两种编码的时候,无论你乍么选择都会出现乱码,那么如何才能解决这个问题呢?小编给大家提供的办法:
一。首先按国际惯例,检查你的文件编码与数据库、页面编码是否一致。
二。如果“一”没有问题,那么就需要先判断字符串的编码了,我们只要判断一种就可以了,关于检测是否为utf8编码的问题,网以前发表过相关文章,但是不太好用,今天在网上找到一个比较完美的函数,代码如下:
Copy to Clipboard
引用的内容:[www.veryhuo.com]

function is_utf8($liehuo_net)
{
if (preg_match("/^([".chr(228)."-".chr(233)."]{1}[".chr(128)."-".chr(191)."]{1}[".chr(128)."-".chr(191)."]{1}){1}/",$liehuo_net) == true || preg_match("/([".chr(228)."-".chr(233)."]{1}[".chr(128)."-".chr(191)."]{1}[".chr(128)."-".chr(191)."]{1}){1}$/",$liehuo_net) == true || preg_match("/([".chr(228)."-".chr(233)."]{1}[".chr(128)."-".chr(191)."]{1}[".chr(128)."-".chr(191)."]{1}){2,}/",$liehuo_net) == true)
{
return true;
}
else
{
return false;
}
{
if (preg_match("/^([".chr(228)."-".chr(233)."]{1}[".chr(128)."-".chr(191)."]{1}[".chr(128)."-".chr(191)."]{1}){1}/",$liehuo_net) == true || preg_match("/([".chr(228)."-".chr(233)."]{1}[".chr(128)."-".chr(191)."]{1}[".chr(128)."-".chr(191)."]{1}){1}$/",$liehuo_net) == true || preg_match("/([".chr(228)."-".chr(233)."]{1}[".chr(128)."-".chr(191)."]{1}[".chr(128)."-".chr(191)."]{1}){2,}/",$liehuo_net) == true)
{
return true;
}
else
{
return false;
}
}
现在再来说一下使用方法,高手就不用看了,因为一些初学者不懂得如何引入并使用这个函数,下边是方法。
一。将以上代码保存为独立文件,例如:liehuo_func_validt.php,保存到网站根目录,然后再引入到文件中,加入以下代码:
Copy to Clipboard
引用的内容:[www.veryhuo.com]

require( "liehuo_func_validt.php" );
接下来判断代码,写在上述代码的下边:
Copy to Clipboard
引用的内容:[www.veryhuo.com]

if(is_utf8($liehuo)==1)
{
$liehuo = iconv("utf-8","gbk",$liehuo);
}
{
$liehuo = iconv("utf-8","gbk",$liehuo);
}
这样就可以了。
二。将判断函数直接放在文件的顶部使用,再加入判断代码,比较
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波比源码 » PHP判断字符串编码是否utf8并转换的方法
波比源码 » PHP判断字符串编码是否utf8并转换的方法
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