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The author:(作者)归海一刀
published in(发表于) 2014/2/10 6:49:03
PHP截取UTF-8字符串，解决半字符问题_[PHP教程]

function utf_substr(str,len)
{
for(i=0;i {
temp_str=substr(str,0,1);
if(ord(temp_str) > 127){
i++;
if(i new_str[]=substr(str,0,3);
str=substr(str,3);
}
}
else {
new_str[]=substr(str,0,1);
str=substr(str,1);
}
}
return join(new_str);
}

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