my upload file do not work please help!!

[fidolas7]

<?php
$con = mysql_connect("localhost","root","")or die (mysql_error());
mysql_select_db("registration", $con);
function protect($value){
$value=mysql_real_escape_string($value);
$value=stripslashes($value);
$value=strip_tags($value);
}
if(isset($_POST) && $_FILES >0)
{
$fileName = $_FILES;
$tmpName = $_FILES;
$fileSize = $_FILES;
$fileType = $_FILES;
$fp = fopen($tmpName, 'r');
$content = fread($fp, filesize($tmpName));
$content = addslashes($content);
fclose($fp);
$sql = "INSERT INTO signup_image (name, size, type, content ) VALUES ('$fileName', '$fileSize', '$fileType', '$content')";
$result = mysql_query($sql,$con);//PROBLEM HERE(LINE 121)
if($result>0)
{
echo"<p>file $fileName uploaded</p>";
}
}
mysql_close($con);
?>
when i try to send file i got message MySQL server has gone away on line 121
so please help me!

[tomato.pgn]

just notify which is line 121 ....i can only see few lines...
and by the way use CODE tag to write code....