$value) {
if(!array_key_exists($key, $base) and !is_numeric($key)) {
$base[$key] = $append[$key];
continue;
}
if(is_array($value) or is_array($base[$key])) {
$base[$key] = array_merge_recursive_distinct($base[$key], $append[$key]);
} else if(is_numeric($key)) {
if(!in_array($value, $base)) $base[] = $value;
} else {
$base[$key] = $value;
}
}
}
return $base;
}
function array_merge_recursive2($array1, $array2)
{
$arrays = func_get_args();
$narrays = count($arrays);
// check arguments
// comment out if more performance is necessary (in this case the foreach loop will trigger a warning if the argument is not an array)
for ($i = 0; $i < $narrays; $i ++) {
if (!is_array($arrays[$i])) {
// also array_merge_recursive returns nothing in this case
trigger_error('Argument #' . ($i+1) . ' is not an array - trying to merge array with scalar! Returning null!', E_USER_WARNING);
return;
}
}
// the first array is in the output set in every case
$ret = $arrays[0];
// merege $ret with the remaining arrays
for ($i = 1; $i < $narrays; $i ++) {
foreach ($arrays[$i] as $key => $value) {
{ // string key - megre
if (is_array($value) && isset($ret[$key])) {
// if $ret[$key] is not an array you try to merge an scalar value with an array - the result is not defined (incompatible arrays)
// in this case the call will trigger an E_USER_WARNING and the $ret[$key] will be null.
$ret[$key] = array_merge_recursive2($ret[$key], $value);
}
else {
$ret[$key] = $value;
}
}
}
}
return $ret;
}
function get_categories_deep ($parent_id = 0, $level = 0)
{
//echo ' deep'.$level.' '."\n";
global $wpdb;
$sql = "SELECT t.term_id, t.name
FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt
ON t.term_id = tt.term_id
WHERE tt.taxonomy = 'category' AND tt.parent = $parent_id";
$items = $wpdb->get_results ($sql);
//if ($items) {echo 'items = ';print_r($items );}
$categories='';
foreach ($items as $item)
{
$categories['values'][(string) $item->term_id] = str_repeat("- ", $level) . $item->name;
$categories['class'][(string) $item->term_id] = 'level-'.$level;
//echo ' cur item '.$item->name.' '.$item->term_id.' '."\n";
$child_categories = get_categories_deep ($item->term_id, $level+1);
//echo ' cur item '.$item->name.' '."\n";
//echo ' ret to deep'.$level.' '."\n";
//echo 'child_categories = ';print_r($child_categories );
if (is_array($child_categories))
{
//echo 'before merge = ';print_r($categories );
//$categories = array_merge_recursive ($categories, $child_categories);
$categories = array_merge_recursive2 ($categories, $child_categories);
//echo 'after merge = ';print_r($categories );
}
}
return $categories;
}
function echo_select_catagories ($args)
{
global $wpdb;
$defaults = array(
'selected'=>false,
'show_select_a_category' => 1,
'show_all_categories' => 1,
'html_select_id' => '',
'html_select_class' =>'',
'html_select_name' => '',
'html_option_level_class' => 'level-'
);
$r = wp_parse_args( $args, $defaults );
echo '';
echo_option_catagories_deep($r);
echo '';
}
function echo_option_catagories_deep ($args, $parent_id = 0, $level = 0)
{
global $wpdb;
/*
$args must be provided with all parameters. See echo_select_catagories()
*/
if ($level == 0)
{
if ($args['show_select_a_category'])
echo '';
if ($args['show_all_categories'])
echo '';
}
$sql = "SELECT t.term_id, t.name
FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt
ON t.term_id = tt.term_id
WHERE tt.taxonomy = 'category' AND tt.parent = $parent_id";
$items = $wpdb->get_results ($sql);
foreach ($items as $item)
{
$option = '';
echo $option;
$list = echo_option_catagories_deep ($args, $item->term_id, $level+1);
}
//return $list;
}