/**
* Deep clean a nested array.
*
* @param array $struct
* @return array cleaned $struct
*/
function _fieldmanager_sanitize_deep($struct)
{
if (is_object($struct)) {
$object = (array) $struct;
} elseif (!is_array($struct)) {
return sanitize_text_field($struct);
}
$new_struct = array();
foreach ($struct as $k => &$v) {
$new_struct[sanitize_text_field($k)] = _fieldmanager_sanitize_deep($v);
}
return $new_struct;
}
/**
* This fires on save_post to store the revision_meta for diffing and
* autosaves.
*
* @param int $post_id Post ID
* @return void
*/
public function action__save_post($post_id)
{
if (get_post_type($post_id) != $this->post_type || defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return;
}
$meta = array();
foreach ($this->meta_fields as $key => $label) {
if (isset($_POST[$key])) {
$meta[$key] = _fieldmanager_sanitize_deep($_POST[$key]);
} elseif ($value = get_post_meta($post_id, $key, true)) {
$meta[$key] = $value;
}
}
if (!empty($meta)) {
update_post_meta($post_id, $this->revision_meta_key, $this->to_json($meta));
}
}
