public function reorder($data)
{
$table = $this->tables['categories'];
$res = array();
foreach ($data as $value) {
if (is_array($value)) {
$indx = array();
$i = 0;
foreach ($value as $value2) {
$indx[$i] = $value2;
++$i;
}
$res[] = $this->app->database_manager->update_position_field($table, $indx);
}
}
return $res;
}