/** * 开始分开输出 * * @param int $time_limit */ public static function chunk_start($time_limit = 0) { if (true === HttpIO::$IS_CHUNK_START) { return; } HttpIO::$IS_CHUNK_START = true; set_time_limit($time_limit); Core::close_buffers(false); header('Content-Type: text/plain'); echo str_pad('', 1024), "\r\n"; flush(); }