//Heres my quick usage example
if (isset($_POST['submit'])) {
	$errorcatcher .= formcheck($postdata,"Name",30,"A","REQUIRE");
	$errorcatcher .= formcheck($postdata,"Email",50,"EMAIL","REQUIRE");
	$errorcatcher .= formcheck($postdata,"Website",100,"WEBSITE","NA");
	if ($errorcatcher == "") { //if empty then no errors
		//SUCCESS
	} else { //at least one error was found. lets print them.
		echo $errorcatcher;
	}
}
if (isset($errorcatcher) || $_POST['submit'] == "") {
	//Display the form
}