Simple Image Uploader Gone Wrong

[wildbuddha]

Hi everyone.  Thanks, in advance, for any and all help!  I'm sure there's something simple I'm missing as I'm very new to PHP.

function uploadAttachment()
{
	if(isset($_POST['submitAttachment']))
	{
		if ($File)    
		{
    		copy ($File, "$File_name");
			$db_hostname = "localhost"; 
			$db_username = "root";
			$db_password = "";
			$db_name =     "justinalba_module3_db";
			$dbc = @mysqli_connect($db_hostname, $db_username, $db_password, $db_name)
   	 		or die("Unable to connect to MySQL");
			$username = $_POST['userName'];
			$id=$_POST['id'];
			$sql="UPDATE user SET avatarURL='$File_name' WHERE name_username='$username' AND id='$id'";
			$query=mysqli_query($dbc,$sql) or die();
			$sql2="SELECT * FROM user WHERE name_username='$username' AND id='$id'";
			$query2=mysqli_query($dbc,$sql2) or die();
			if($query)
			{
				
				echo "You uploaded the following photo:";
				echo "<img src=\"";
				echo $File_name;
				echo "\" width=\"400px\">";
				unlink ($File);
			}
			else
				{
					echo "You did not upload a file.";
				}
		}
		
	}
}

 

The above code is giving me an error:

"Notice: Undefined variable: File in /Users/justinalba/Sites/php-class/module3/functions.php on line 257"

 

How come the variable can be found on line 255 but not 257?  Do I need to declare $File as something?

 

Thanks.

[Psycho]

Line 257 in your code above is this

 

{

 

Which is between the two lines that reference $File. Are you sure the error is not on the first instance? Try putting in some echo statements to verify

 

 

echo "Before the if()<br>\n";
if ($File)
{
    echo "After the if()<br>\n";
   copy ($File, "$File_name");
   echo "After the copy()<br>\n";

[wildbuddha]

You're right!  "Before the If" was displayed after inserting the code you gave me.  That means that's the undefined variable?  Thanks btw