udm_cat_list

Description

Returns an array listing all categories of the same level as the current category in the categories tree. agent is the agent identifier returned by a previous call to >udm_alloc_agent().

The function can be useful for developing categories tree browser.

The returned array consists of pairs. Elements with even index numbers contain the category paths, odd elements contain the corresponding category names.

$array[0] will contain '020300'
  $array[1] will contain 'Audi'
  $array[2] will contain '020301'
  $array[3] will contain 'BMW'
  $array[4] will contain '020302'
  $array[5] will contain 'Opel'
  ...
 etc.

Following is an example of displaying links of the current level in format:

Audi
  BMW
  Opel
  ...

<?php
 $cat_list_arr = udm_cat_list($udm_agent, $cat);
 $cat_list = '';
 for ($i=0; $i<count($cat_list_arr); $i+=2) {
    $path = $cat_list_arr[$i];
    $name = $cat_list_arr[$i+1];
    $cat_list .= "<a href=\"$_SERVER[PHP_SELF]?cat=$path\">$name</a><br />";
 }
?>

See also udm_cat_path().