array problemen

<?php
$host="*****"; // Host name
$username="*****"; // Mysql username
$password="*****"; // Mysql password
$db_name="*****"; // Database name
$tbl_name="*****"; // Table name

// Connect to server and select database.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");

$domeinfile= fopen("/tmp/forwardsfromsql","w");

$listresult=mysql_query("SELECT login,forward FROM $tbl_name WHERE forward != ''");
$countresult=mysql_num_rows($listresult);

if ($countresult < 1) {
        print("No domeinnaam found in the database.<br>");
} else {
        while($rowdomain=mysql_fetch_array($listresult)) {
                $login=$rowdomain[login];
                $forward=$rowdomain[forward];

                fputs($domeinfile, "$login $forward\n");
        }
}
fclose($domeinfile);
mysql_close();
?>

<?php
$host="*****"; // Host name
$username="*****"; // Mysql username
$password="*****"; // Mysql password
$db_name="*****"; // Database name
$tbl_name="*****"; // Table name
 
// Connect to server and select database.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
 
$domeinfile= fopen("/tmp/forwardsfromsql","w");
 
$listresult=mysql_query("SELECT login,forward FROM $tbl_name WHERE forward != ''");
$countresult=mysql_num_rows($listresult);
 
if ($countresult < 1) {
        print("No domeinnaam found in the database.<br>");
} else {
        while($rowdomain=mysql_fetch_array($listresult)) {
                $login=$rowdomain[login];
                $forward=$rowdomain[forward];
 
                fputs($domeinfile, "$login $forward\n");
        }
}
fclose($domeinfile);
mysql_close();
?>

$domeinfile= fopen("/tmp/forwardsfromsql2","w");

$listresult=mysql_query("SELECT login,forward FROM $tbl_name WHERE forward != ''");
$countresult=mysql_num_rows($listresult);

if ($countresult < 1) {
        print("No domeinnaam found in the database.<br>");
} else {
        while($rowdomain=mysql_fetch_array($listresult)) {
                $login=$rowdomain[login];
                $forward=$rowdomain[forward];

                $array = explode(",", $forward);
                //print_r($array);

                $forward = '';

                while (list($key, $val) = each($array)) {
                    if($val == "\$user") {
                    } else {
                        $forward .= "".$val.",";
                    }
                }


                fputs($domeinfile, "$login $forward\n");
        }
}
fclose($domeinfile);
mysql_close();

$domeinfile= fopen("/tmp/forwardsfromsql2","w");
 
$listresult=mysql_query("SELECT login,forward FROM $tbl_name WHERE forward != ''");
$countresult=mysql_num_rows($listresult);
 
if ($countresult < 1) {
        print("No domeinnaam found in the database.<br>");
} else {
        while($rowdomain=mysql_fetch_array($listresult)) {
                $login=$rowdomain[login];
                $forward=$rowdomain[forward];
 
                $array = explode(",", $forward);
                //print_r($array);
 
                $forward = '';
 
                while (list($key, $val) = each($array)) {
                    if($val == "\$user") {
                    } else {
                        $forward .= "".$val.",";
                    }
                }
 
 
                fputs($domeinfile, "$login $forward\n");
        }
}
fclose($domeinfile);
mysql_close();

<?php
$output1 = str_replace("$user,", "", $input);
$output2 = preg_replace("#\$user,#i", "", $input);
?>

<?php
$output1 = str_replace("$user,", "", $input);
$output2 = preg_replace("#\$user,#i", "", $input);
?>