mint/rpc/tulip/tulip/log.php

<?php
require_once __DIR__ . '/vendor/autoload.php';

use Monolog\Logger;
use Monolog\Handler\StreamHandler;

function myLog(){
    $dir = __DIR__ . '/logs';
    if(!is_dir($dir)){
        $res = mkdir($dir,0700,true);
        if(!$res){
            echo "error: mkdir fail path=".$dir;
            return 0;
        }
    }

    $log = new Logger('tulip');
    $log->pushHandler(new StreamHandler($dir . '/tulip-' . date("Y-m-d") . '.log'));
    return $log;
}