/**
* Generates checksums for defined content types.
*
* @param type $type
* @param type $item_id
* @return type
*/
function generate_checksum($type, $item_id = null)
{
switch ($type) {
case 'group':
$checksum = wpcf_admin_fields_get_group($item_id);
$checksum['meta'] = $this->get_group_meta($item_id);
ksort($checksum['meta']);
break;
case 'field':
$checksum = wpcf_admin_fields_get_field($item_id);
break;
case 'custom_post_type':
$checksum = wpcf_get_custom_post_type_settings($item_id);
$checksum['relationship_settings']['has'] = wpcf_pr_get_has($item_id);
if (is_array($checksum['relationship_settings']['has'])) {
ksort($checksum['relationship_settings']['has']);
}
$checksum['relationship_settings']['belongs'] = wpcf_pr_get_belongs($item_id);
if (is_array($checksum['relationship_settings']['belongs'])) {
ksort($checksum['relationship_settings']['belongs']);
}
break;
case 'custom_taxonomy':
$checksum = wpcf_get_custom_taxonomy_settings($item_id);
break;
default:
/*
* Enable $this->generate_checksum('test');
*/
$checksum = $type;
break;
}
// Unset various not wanted data
foreach ($this->_remove_data_keys as $key) {
if (isset($checksum[$key])) {
unset($checksum[$key]);
}
}
if (is_array($checksum)) {
ksort($checksum);
}
// debug( $checksum, false );
return md5(maybe_serialize($checksum));
}
/**
* Gets all posts that belong to queried post, grouped by post type.
*
* @param type $post_id
* @param type $post_type
* @return type
*/
function wpcf_pr_post_get_has($post_id, $post_type_q = null)
{
$post_type = get_post_type($post_id);
$has = array_keys(wpcf_pr_get_has($post_type));
$add = is_null($post_type_q) ? '&post_type=any' : '&post_type=' . $post_type_q;
$posts = get_posts('numberposts=-1&post_status=null&meta_key=_wpcf_belongs_' . $post_type . '_id&meta_value=' . $post_id . $add);
$results = array();
foreach ($posts as $post) {
if (!in_array($post->post_type, $has)) {
continue;
}
$results[$post->post_type][] = $post;
}
return is_null($post_type_q) ? $results : array_shift($results);
}