Mine

<?php
        include "inc/sites.php"; // die Konfigurationsdateien lesen.
        include "inc/config.php"; // Configparameter für die DB einlesen
        include "inc/connect_db.php"; // Zur DB Connecten


$intOldURL = 0;
$intNewURL = 0;


$aryLinks = explode("\n", str_replace("\r", "", trim($_POST['links'])));

if(!(sizeof($aryLinks) == 1 && trim($aryLinks[0]) == "")) {

	foreach($aryLinks as $strSingleLine) {
	
	        $strLink = trim($strSingleLine);
	        if($strLink != "")
	        {
	         	$sql="SELECT COUNT(link) AS COUNT FROM plaintextlinks WHERE link = '".$strLink."';";
	       	    $result = mysql_query($sql) OR die(mysql_error());
	       	    $row = mysql_fetch_assoc($result);
		        if ($row['COUNT'] == 0) {
		                $sql2 = "INSERT INTO plaintextlinks (`link`) VALUES (\"".$strLink."\");";
		                $intNewURL++;
		                mysql_query($sql2) OR die(mysql_error());
		        } else {
		                $intOldURL++;
		        }
	        }
	}

}

        $sql="SELECT COUNT(link) AS COUNT FROM plaintextlinks;";
        $result = mysql_query($sql) OR die(mysql_error());
        $row = mysql_fetch_assoc($result);



echo "You just added ".$intOldURL." Links that are allready in the DB and ".$intNewURL." New Links.<br \> I protect ".$row['COUNT']." Links.<br />If you have a Problem drop <a href=\"mailto:ben.rslinks@googlemail.com\">Ben</a> a Line.<br /><br />\n";

echo "<form action=plaintextlinks.php method=post>\n";
echo "<textarea name=\"links\" rows=\"20\" cols=\"90\"></textarea>\n";
echo "<br />\n";
echo "<input type=\"submit\" />\n";
echo "<input type=\"reset\" />\n";
echo "</form>\n";
?>