PHP 从 rand() 函数中排除数字 [英] PHP excluding numbers from rand() function

问题描述

我运行了 rand() 3 次，我想从函数的可能性中排除前两个结果.就像它命中 1 和 5 一样，我希望下一个 rand() 从其范围中排除 1 和 5.我该怎么做?

I'm running rand() 3 times, and I want to exclude the first two results from the possibilities of the function. Like if it hit 1 and 5, I want the next rand() to exclude 1 and 5 from its range. How would I do this?

推荐答案

怎么样:

do {   
    $rand_number = rand();

}while(in_array($rand_number, array(1,5));

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