Help with IF and WHILE statement

[b0r3d]

Hey,

I am trying to figure out as to why my IF statement within the while wont work. I have a sub-domains option on my site to signup for one. I am trying to get the below code to read from the file and if the subdomain when submitted already exists it will exit and tell them. If it doesn't then it continues to process the sub domain. If someone could help me i'd be forever greatful.

$size=filesize("subdomains.txt");

if (!$size =="0") {

$fp = fopen("subdomains.txt","r");
$line = 0;
while (!feof ($fp) ) {

$domain = fgets($fp,filesize("subdomains.txt"));

if ($sub == $domain) {
echo "Oops someone already took that sub-domain. Click back and try again";
fclose($fp);
exit;
}

echo "In text file: $domain<br>";
$line = $line + 1;

}
fclose($fp);

}

Dont mind the way it is typed out. Its pretty much setup for debugging right now.

Thanks,

Patrick

[sarahk]

Here's some debugging to try

$domain = fgets($fp,filesize("subdomains.txt")); 

echo "comparing *$domain* with *$sub*<br>";

if ($sub == $domain) { 

I'd check to see what's between the asterisks on each loop through. That will probably highlight the problem. I'm guessing you need to trim $domain but you'll see it.

and did you know you can do this?
$line = $line++;

[br__ken]

my domain.txt looked like:

domain1.com
domain2.com
domain3.com

this will work

$wanted_domain="domain2.com";
$file="domain.txt";
$taken=false;
if(file_exists($file))
{
 $arr=file($file);
 // put domain.txt into an array
 for($i=0;$i<count($arr);$i++)
 {
  // search array for the domain
  if(strtolower(trim($arr[$i]))==strtolower(trim($wanted_domain)))
		$taken=true;
  }

  // check taken boolean
  if($taken)
	 echo "Sorry, that domain is taken. [$wanted_domain]\n";
  else
	  echo "Domain not taken [$wanted_domain]\n";

}else
	// file doesnt exist -> error
	echo "Error: $file does not exist!";

of course you can simplify this a lot, but you get the general idea

[b0r3d]

Hey sarahk,

After I posted my question on here and reviewed my code for the 90'th time and this site, i finally figured out it was the chop() function that i needed..

I needed to do this:

$chop = chop($domain)

if ($sub == $chop) {
echo "So on";
}

Was pretty simple but very annoying to find out.

Thanks again,

Patrick