How to use a function to read the contents of a data table into a two-dimensional array in PHP

//Use a function to read the contents of the data table and put it into a two-dimensional array
//Dynamic sql statement
//Take reading out the click count table as an example.

function list_hit($fields,$where,$order,$direction,$limit,$conn)
{
if ($fields=="") {$fields="hit_id,banner_id,hit_ip,hit_time";}
if ($order=="") {$direction="";}

$sql="select $fields from hit $where $order $direction $limit";
//echo $sql;
$res=MySQL_query($sql,$conn);
$i=0;
$list_hit[$i]["rows"]=mysql_num_rows($res);
$i++;
while($rs=mysql_fetch_array($res))
{
$list_hit[$i]["hit_id"]=$rs["hit_id"];
$list_hit[$i]["banner_id"]=$rs["banner_id"];
$list_hit[$i]["hit_ip"]=$rs["hit_ip"];
$list_hit[$i]["hit_time"]=$rs["hit_time"];
$i++;
}
return $list_hit;
}

The above introduces how to use functions to read the contents of a data table into a two-dimensional array in PHP, including the content of reading a data table. I hope it will be helpful to friends who are interested in PHP tutorials.