$task = isset($_POST['task']) ? $_POST['task'] : false;
$task = !$task && isset($_GET['task']) ? $_GET['task'] : $task;
$wall_object = isset($_POST['wall_object']) ? $_POST['wall_object'] : false;
$wall_object = !$wall_object && isset($_GET['wall_object']) ? $_GET['wall_object'] : $wall_object;
$wall_object_id = isset($_POST['wall_object_id']) ? $_POST['wall_object_id'] : false;
$wall_object_id = !$wall_object_id && isset($_GET['wall_object_id']) ? $_GET['wall_object_id'] : $wall_object_id;
if ($wall_object == 'userhome') {
    $action_object_owner = 'user';
} else {
    $action_object_owner = $wall_object;
}
//TASKS
$headers_sent = false;
if ($task == 'hide_action' && $user->user_exists) {
    $action_id = isset($_POST['action_id']) ? (int) $_POST['action_id'] : 0;
    $result = he_wall::hide_action($user->user_info['user_id'], $action_id);
} elseif ($task == 'remove_action' && $user->user_exists) {
    $action_id = isset($_POST['action_id']) ? (int) $_POST['action_id'] : 0;
    $result = he_wall::remove_action($user->user_info['user_id'], $action_id);
} elseif ($task == 'like_action') {
    $action_id = isset($_POST['action_id']) ? (int) $_POST['action_id'] : 0;
    $result = he_wall::like_action($user->user_info['user_id'], $action_id);
    if ($result['like']) {
        he_wall::new_like_notify($action_id);
    }
} elseif ($task == 'add_comment') {
    $action_id = isset($_POST['action_id']) ? (int) $_POST['action_id'] : 0;
    $text = isset($_POST['text']) ? trim($_POST['text']) : '';
    if (strlen($text) > 1000) {
        $result = array('result' => 0, 'message' => SE_Language::get(690706058));
    } elseif ($comment_id = he_wall::add_comment($user->user_info['user_id'], $action_id, $text)) {