Question

我尝试在PHP中创建守护进程。我有Artisan命令，但我无法在后台运行它。

简单命令是php aritsan run:daemon。

我尝试使用

exec('php artisan run:daemon &');

它工作正常，我在后台有额外的过程，但我的实际过程仍在等待响应。当我以CTRL+C或其他方式杀死它时，第二个进程仍在后台运行。当我使用

时，我对Symfony\Process的效果相同

$process=new Process("php artisan run:daemon");
$process->start();

但我不想杀死进程，我想执行一个命令，然后这个命令在后台运行进程，然后关闭自己。我怎么能这样做？

Answer 1

把它on the queue：

class Program
{
    static void Main(string[] args)
    {
    #region Catch5IntegerInArrayOfInt[5]
        // The solution to catching five integers in an array of int[5] 
        // is to use nullable integers.
        // Keeping a counter when entering an integer to the array does not appeal to me.
        // With normal integers I cannot catch 0 as one of the numbers
        // because all ints are initialized with 0
        Console.WriteLine("Please enter five unique numbers consecutively.");
        var fiveNumbers = new int?[5];          // do it using an array just the same (as collections were not part of the lectures so far)

        for (int i = 0; i < fiveNumbers.Length; i++)
        {
            Console.WriteLine("Please enter your {0} number:", (Countables)i);
            CatchUsersNumbers(fiveNumbers, i);
        }

        DisplayResult(fiveNumbers);
        Console.WriteLine("\n");
    }
    #endregion

    #region HelperMethods
    private static void CatchUsersNumbers(int?[] fiveNumbers, int i)
    {
        while (true)
        {
            userInput = Console.ReadLine().Trim();
            if (CheckWhetherInteger(userInput) && CheckUniqueness(fiveNumbers, myInteger))
            {
                fiveNumbers[i] = myInteger;
                break;
            }
            else
            {
                Console.Clear();
                Console.WriteLine("You did not enter a unique integer number, try again...");
            }
         }
    }

    private static bool CheckWhetherInteger(string userInput)
    {
            bool result = Int32.TryParse(userInput, out myInteger);
            if (result == false)
            {
                Console.Clear();
                Console.WriteLine("You did not enter an integer.");
            }
            return result;
    }

    private static bool CheckUniqueness(int?[] fiveNumbers, int userInput)
    {
        for (int i = 0; i < fiveNumbers.Length; i++)
        {
            if (fiveNumbers[i] == userInput)
            {
               return false;
            }
        }
        return true;
    }

    private static void DisplayResult(int?[] fiveNumbers)
    {
        Console.Clear();
        Array.Sort(fiveNumbers);
        Console.WriteLine("These are the five interger numbers you entered \nand that were stored in the array:\n");
        for (int i = 0; i < fiveNumbers.Length; i++)
        {
            if (i != fiveNumbers.Length - 1)
                Console.Write(fiveNumbers[i] + ", ");
            else
                Console.Write(fiveNumbers[i]);
        }
    }
    #endregion

    #region Class Variables
    private static int myInteger = 0;

    private static string userInput;

    private enum Countables
    {
        first = 0,
        second,
        third,
        fourth,
        fifth
    }
    #endregion
}

在后台运行PHP Artisan

1 个答案: