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function randomkeys($length)
{
$key='';
$pattern='123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
for($i=0;$i<$length;$i++)
{
$key .= $pattern{mt_rand(0,47)};
}
return $key;
}
echo randomkeys(20);
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<?php
function get_ip_place(){
$ip=file_get_contents(http://fw.qq.com/ipaddress);
$ip=str_replace('"',' ',$ip);
$ip2=explode("(",$ip);
$a=substr($ip2[1],0,-2);
$b=explode(",",$a);
return&n ......
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$fileName=iconv("UTF-8","GBK",$fileName); ......
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