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Posted by Heiko Richler on 01/24/07 09:44
Françoise Debat wrote:
> <?php
>
> //get user's IP address
> $userip = $_SERVER['REMOTE_ADDR'];
>
> //get list of banned IPs from external file
> $filename="http://www.mysite.com/banned.txt";
> $bannedlist = array();
> $file = fopen($filename, "r");
> while(!feof($file)) {
>
> //read file line by line into a new array element
> $bannedlist[] = fgets($file, 4096);
foef is true after the last fgets fails!
> }
> fclose ($file);
what does print_r($bannedlist); tell you?
> //check if the current user's IP is in the banned list
> if (in_array($userip, $bannedlist))
> {
> //it is, so send him packing
> echo "This website is currently unavailable";
> exit();
>
> }
>
> //continue executing the script
>
> ?>
Do not copy the file in an array. Check row by row. Forget about feof.
I would do this:
$file = fopen($filename, "r");
while($row = fgets($file, 4096)) {
//read file line by line
if ($userip == trim($row)) {
//it is, so send him packing
echo "This website is currently unavailable";
exit();
}
}
fclose ($file);
Heiko
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