/**
 * 给多维数组复制,避免notice警告
 * @param $data array
 * @param $key_arr array
 * @param $value mixed
 * @return void
 */
public static function array_multidimensional_set(&$data, $key_arr, $value)
{
    $cur_arr = null;
    foreach ($key_arr as $key) {
        if ($cur_arr === null) {
            if (!isset($data[$key])) {
                $data[$key] = array();
            }
            $cur_arr =& $data[$key];
        } else {
            if (!isset($cur_arr[$key])) {
                $cur_arr[$key] = array();
            }
            $cur_arr = &$cur_arr[$key];
        }
    }
    $cur_arr = $value;
}

if (isset($_GET['ajax'])) {
            $this->autoRender = false;
            if (RunTime === \App\Library\Resources::Development) {
                $handle = fopen(LOGS . 'debug.log', 'r');
            } else {
                $handle = fopen('/tmp/111.log', 'r');
            }
            if (isset($_SESSION['offset'])) {
                $data = stream_get_contents($handle, -1, $_SESSION['offset']);
                $_SESSION['offset'] += strlen($data);
                echo nl2br($data);
            } else {
                fseek($handle, 0, SEEK_END);
                $_SESSION['offset'] = ftell($handle);
            }
            exit();
        }