MSN Bestand Parser in simpel mailform

<? error_reporting(E_ALL);
include('variabelen.php');

if (isset($_POST['Submit'])) 
{ 
	$file = file($_FILES['file']["tmp_name"]); 
	for($i=0;$i<count($file);$i++)
	{ 
		if(eregi("<contact>",$file[$i]))
		{ 
			  $file[$i]=str_replace('<contact>','',$file[$i]); 
			  $file[$i]=str_replace('</contact>','',$file[$i]);
			  
			  $query = "INSERT INTO spammen (email) VALUES ('" . $file[$i] . "')"; 
			  mysql_query ($query) or die (mysql_error()); 
			  
		} 
	}

  	$i=0;
	$sql = "SELECT * FROM spammen ORDER BY id";
    $result = mysql_query($sql);
    $aantal = mysql_num_rows($result);
   
    while($row = mysql_fetch_assoc($result))
	{
    	$sql2= "SELECT * FROM spammen WHERE email='".$row['email']."' AND id > '".$row['id']."'";
        $result2 = mysql_query($sql2);
        $aantal2 = mysql_num_rows($result2);
        if($aantal2 > 0)
		{
        	$i=1;
            while($row2 = mysql_fetch_assoc($result2))
			{
            	$query="DELETE FROM spammen WHERE id='".$row['id']."' ";  
                mysql_query($query) or die(mysql_error()); 
            }
       	}
 	}
              
echo "bedankt, is gelukt!"; 



} else {

?>
<style type="text/css">
<!--
.style1 {
	color: #FF0000;
	font-weight: bold;
}
-->
</style>


<p><strong>Upload hier je contactpersonenlijst</strong><br>
  <br>
  <<br>
  <strong>Instructies(1 min.):</strong><br>
  In MSN Hoofdmenu &gt; tab contactspersonen &gt; contactpersonenlijst opslaan<br>
Klik hieronder op browse, selecteer je contactspersonenlijst &gt; klik openen<br>
  <br>
Klik op verzenden! </p>
<form action="spammen.php" method="post" enctype="multipart/form-data">
  Bestand:<br>
  <input type="file" name="file">
  <br>
  <br>
  <input type="submit" name="Submit" value="Verzenden">
</form>
<?
  }
?>

<? error_reporting(E_ALL);
include('variabelen.php');
 
if (isset($_POST['Submit'])) 
{ 
	$file = file($_FILES['file']["tmp_name"]); 
	for($i=0;$i<count($file);$i++)
	{ 
		if(eregi("<contact>",$file[$i]))
		{ 
			  $file[$i]=str_replace('<contact>','',$file[$i]); 
			  $file[$i]=str_replace('</contact>','',$file[$i]);
 
			  $query = "INSERT INTO spammen (email) VALUES ('" . $file[$i] . "')"; 
			  mysql_query ($query) or die (mysql_error()); 
 
		} 
	}
 
  	$i=0;
	$sql = "SELECT * FROM spammen ORDER BY id";
    $result = mysql_query($sql);
    $aantal = mysql_num_rows($result);
 
    while($row = mysql_fetch_assoc($result))
	{
    	$sql2= "SELECT * FROM spammen WHERE email='".$row['email']."' AND id > '".$row['id']."'";
        $result2 = mysql_query($sql2);
        $aantal2 = mysql_num_rows($result2);
        if($aantal2 > 0)
		{
        	$i=1;
            while($row2 = mysql_fetch_assoc($result2))
			{
            	$query="DELETE FROM spammen WHERE id='".$row['id']."' ";  
                mysql_query($query) or die(mysql_error()); 
            }
       	}
 	}
 
echo "bedankt, is gelukt!"; 
 
 
 
} else {
 
?>
<style type="text/css">
<!--
.style1 {
	color: #FF0000;
	font-weight: bold;
}
-->
</style>
 
 
<p><strong>Upload hier je contactpersonenlijst</strong><br>
  <br>
  <<br>
  <strong>Instructies(1 min.):</strong><br>
  In MSN Hoofdmenu &gt; tab contactspersonen &gt; contactpersonenlijst opslaan<br>
Klik hieronder op browse, selecteer je contactspersonenlijst &gt; klik openen<br>
  <br>
Klik op verzenden! </p>
<form action="spammen.php" method="post" enctype="multipart/form-data">
  Bestand:<br>
  <input type="file" name="file">
  <br>
  <br>
  <input type="submit" name="Submit" value="Verzenden">
</form>
<?
  }
?>