Someone

<?PHP

$dbhost = 'localhost';
$dbuser = 'weester';
$dbpass = 'userisapass123'; 
$db = 'weblog';

$obj = mysql_connect($dbhost, $dbuser, $dbpass) OR die(mysql_error());
mysql_select_db($db, $obj);

function blog($action=0, $id=0, $by=0, $heading=0, $data=0){
	switch($action){
		case 1:
			$query = "INSERT INTO blog (by, heading, data) VALUES ('$by', '$heading','$data')";
			break;
		case 2:
			$query = "UPADTE blog SET by='$by', heading = '$heading', data = '$data' WHERE identry = '$id'";
			break;
		case 3:
			$query = "DELETE FROM blog WHERE identry = '$id'";
			break;
		default:
			$query = "SELECT * FROM blog ORDER BY blogdate DESC";
			break;
	}
if(isset($query)){
	$d = mysql_query($query) OR die(mysql_error());
	return $d;
}
}
mysql_close($obj);