function debug(){    $num_args = func_num_args(); //实参个数    $arg_list = func_get_args(); //返回某一个实参，必须是实参数组的索引；    for($i=0;$i<$num_args;$i++){        echo "第 $i 个变量的值为：".$arg_list[$i]."
";    }    echo "当前所处的文件名为：".__FILE__."
";}

 

function writeLog($data, $flag = false){    $date = date("Ymd", time());    $path = "/home/xxx/debug_logs/log_{$date}.txt";       if (is_array($data) || is_object($data)) {        $data = "\n" . print_r($data, 1);    }    $backtrace = debug_backtrace()[0];    $file = str_replace('/home/renxing/git/', '', $backtrace['file']);    $line = $backtrace['line'];    $content = date("Y-m-d H:i:s") . "|" . $file . "|" . $line . "|" . $data;    if ($flag) {        $content .= "|*****" . json_encode(debug_backtrace(), JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) . "*****|";    }    $content .= "\n";    file_put_contents($path, $content, FILE_APPEND);}