Something

		while($row=mysql_fetch_array($result)) {
			$check = strpos($text,$row[0]);
			if ($check != false) {
				$blocked = true;
				$reason = $row[1];
				
			} else {
				$blocked = "nomatch";
			}
		}
		if($blocked == true) {
			return $reason;
		} else {
			return "nomatch";
		}