Something

function CheckVulgText($text,$ip)
{
	$text = strtolower($text);
	$vulgs = file('filter.txt');
	foreach($vulgs as $vulg)
	{
		if (strpos($text,$vulg) !== true)
		{
			AddBan($ip,'Grow Up.');
			echo "Grow Up.";
			exit;
		}
	}
}