[Resolved] why do i get this warning

[owaring]

I recieeve this error

Warning: Missing argument 1 for form() in H:\apachefriends\xampp\htdocs\willow\login.php on line 23

on this script

error_reporting(E_ALL);

include("include/functions.php");

accessdb();

function form($em)                              ######## line 23 #####
{
	if (empty($em))
		{
		$em = 0;
		}

switch ($em)
	{			
		case "0" :
		$error = "";
		break;

		case "1" :
		$error = "Please supply a valid Login name to log on.";
		break;

		case "2" :
		$error = "Login Name not valid";
		break;

		case "3" :
		$error = "Login Name and Password do not match";
		break;

		case "" :
		$error = "no error";
		break;
	}

Im not sure what this warning means to be honest, or why im getting it!

Is there a list of errors / warnings in the manual somewhere??

[Huuggee]

if that's your entire code, then you are missing the final braces or the function }

[owaring]

it is just a snippet focusing on the area the warning points to

[Huuggee]

then are you calling the function form($em) without supplying the $em argument?

that would cause the error

[owaring]

i hang my head in shame.

thanks!!

[Huuggee]

lol, can happen to the best of us