封装打印输出变量到指定文件

function loog($string = "",$show_tp_info = false,$ignore_app_debug=false){
    if (APP_DEBUG||$ignore_app_debug) {
        //echo RUNTIME_PATH."Logs/".MODULE_NAME."/log.txt";
        if (!is_dir(RUNTIME_PATH."Logs/".MODULE_NAME)) {
            mkdir(RUNTIME_PATH."Logs/".MODULE_NAME);
        }
        $myfile = fopen(RUNTIME_PATH."Logs/".MODULE_NAME."/log.txt", "a") or die("Unable to open file!");
        $data = debug_backtrace();//获取debug信息。
        $txt = "#".$data[0][‘line‘]." @".$data[1][‘function‘] ." @". basename($data[0][‘file‘]).
         "  " .date("H:i:s");
        $txt .= $show_tp_info?" TP:".MODULE_NAME."=>".CONTROLLER_NAME."=>".ACTION_NAME."\n  ":"\n  ";
        $txt .= ($string!="")?  is_string($string)?  ($string == "@ft")?"full trace:\n".json_encode($data, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT)
                                                                     :"var: ".$string
                                                 :  "block:\n".json_encode($string, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT)
                                                 
                             :  "无限空";
        $txt .= "\n\n********************************************************************".
                "*********************************************************************\n\n";
        fwrite($myfile, $txt);
        fclose($myfile);
    }
}

封装打印输出变量到指定文件

原文：https://www.cnblogs.com/qiaochaoyu/p/11652037.html