PHP Éú³ÉËæ»úÊý
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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