public static function get_taxonomies()
{
if (empty(self::$taxonomies_array)) {
//default taxonomies
$taxonomies_array = array('category' => array('name' => EM_TAXONOMY_CATEGORY, 'ms' => 'event-category', 'context' => array()), 'tag' => array('name' => EM_TAXONOMY_TAG, 'context' => array()));
//get additional taxonomies associated with locations and events and set context for default taxonomies
foreach (get_taxonomies(array(), 'objects') as $tax_name => $tax) {
$event_tax = in_array(EM_POST_TYPE_EVENT, $tax->object_type);
$loc_tax = in_array(EM_POST_TYPE_LOCATION, $tax->object_type);
if ($tax_name == EM_TAXONOMY_CATEGORY || $tax_name == EM_TAXONOMY_TAG) {
$tax_name = $tax_name == EM_TAXONOMY_CATEGORY ? 'category' : 'tag';
if ($event_tax) {
$taxonomies_array[$tax_name]['context'][] = EM_POST_TYPE_EVENT;
}
if ($loc_tax) {
$taxonomies_array[$tax_name]['context'][] = EM_POST_TYPE_LOCATION;
}
} else {
$tax_name = str_replace('-', '_', $tax_name);
$prefix = !array_key_exists($tax_name, $taxonomies_array) ? '' : 'post_';
if (is_array($tax->object_type)) {
if ($event_tax || $loc_tax) {
$taxonomies_array[$prefix . $tax_name] = array('name' => $tax_name, 'context' => array());
}
if ($event_tax) {
$taxonomies_array[$prefix . $tax_name]['context'][] = EM_POST_TYPE_EVENT;
}
if ($loc_tax) {
$taxonomies_array[$prefix . $tax_name]['context'][] = EM_POST_TYPE_LOCATION;
}
}
}
}
//users can add even more to this if needed, e.g. MS compatability
self::$taxonomies_array = apply_filters('em_object_taxonomies', $taxonomies_array);
}
return self::$taxonomies_array;
}
