日志调试函数

/*
 * 打印写入日志
 * @param data 要打印的数据
 * @param function_path 调用此方法的文件地址
 * @param function_filename 用于创建日志起名字
 */
function lp_log($data = [], $function_path = '', $function_filename = '')
{
    if ( is_array($data) )
    {
        $data = print_r($data, TRUE);
    }
    //路径
    $path = APPPATH . 'upload/log/' . date('Y/m/d', time());
    //创建目录
    if ( ! file_exists($path) )
    {
        mkdir($path, 0744, TRUE);
    }
    $file_path = $path . "/" . $function_filename . date("H:i:s", time()) . "log.txt";

    $fp = fopen($file_path, "a+");
    flock($fp, LOCK_EX);
    fwrite($fp, "#path:" . $function_path . "#\n#time:" . date("Y-m-d H:i:s", time()) . "#\n" . $data . "\n\n");
    flock($fp, LOCK_UN);
    fclose($fp);
}