/**
* Indents any object as long as it has a unique id and that of its parent.
*
* @since 1.0
*
* @param type $array
* @param type $parentId
* @param type $parentKey
* @param type $selfKey
* @param type $childrenKey
* @return array Indented Array
*/
public static function array_nest($array, $parentId = 0, $parentKey = 'post_parent', $selfKey = 'ID', $childrenKey = 'children')
{
$indent = array();
// clean counter
$i = 0;
foreach ($array as $v) {
if ($v->{$parentKey} == $parentId) {
$indent[$i] = $v;
$indent[$i]->{$childrenKey} = CACIE_Arrays::array_nest($array, $v->{$selfKey}, $parentKey, $selfKey, $childrenKey);
$i++;
}
}
return $indent;
}
/**
* Get post parent columns
*
* @since 1.0
*
* @return array Parent post options ([post ID] => [post title])
*/
public function get_post_parent_options()
{
$options = array();
$posts_query = new WP_Query(array('post_type' => $this->storage_model->key, 'posts_per_page' => -1));
if ($posts_query->have_posts()) {
$nestedposts = CACIE_Arrays::array_nest($posts_query->posts, 0, 'post_parent', 'ID', 'cacie_children');
$indentedposts = CACIE_Arrays::convert_nesting_to_indentation($nestedposts, 'post_title', 'cacie_children');
foreach ($indentedposts as $post) {
$options[$post->ID] = $post->post_title;
}
}
return $options;
}
