function update_client($data)
{
	$id_arr = explode(",",$data["params"]["ID"]);
	$name_arr = explode(",",$data["params"]["Name"]);
	$title_arr = explode(",",$data["params"]["Title"]);

	for($i=0; $i<count($id_arr); $i++)
	{
		$id = $id_arr[$i];
		$name = $name_arr[$i];
		$title = $title_arr[$i];

		// pass to insert / update query to set $id,$name,$title
	}
}