jQuery populate items into a Select using jQuery ajax json, php

Question

I have a select field. I must fill with options taken from a mysql table.
Here is some little php code I have done using codeigniter framework

$idcateg =         


        

Answer 1

It's not much different.

$idcateg = trim($this->input->post('idcategory'));
$result = array();
$id = mysql_real_escape_string($idcateg);
$res = mysql_query("SELECT * FROM subcategories WHERE category = $id");
while ($row = mysql_fetch_array($res)) {
  $result[] = array(
    'id' => $row['subcatid'],
    'desc' => $row['description'],
  );
}
echo json_encode($result);

with:

$.post("index.php/rubro/list_ajax/", { 
  'idcategory' : idc },
  function(data) {
    var sel = $("#select");
    sel.empty();
    for (var i=0; i' + data[i].desc + '');
    }
  }, "json");