PHP implements a method to obtain N non-repeating random numbers within a certain range

This article mainly introduces the method of PHP to obtain N non-repeating random numbers within a certain range. It uses the range function to create an array within a specified range and shuffle to randomly sort the array, and uses array_slice to extract the array to achieve this function. It is very Simple and practical, friends in need can refer to

. The details are as follows:

//range 是将1000到9999 列成一个数组
$numbers = range (1000,9999);
//shuffle 将数组顺序随即打乱
shuffle ($numbers);
//array_slice 取该数组中的某一段
$result = array_slice($numbers,0,3);
print_r($result);

The running result is:

Array
(
  [0] => 9767
  [1] => 2344
  [2] => 7783
)

Summary: The above is the entire content of this article, I hope it can help Everyone’s learning helps.

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