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PHP gets the specified number of cell contents of the specified array in a random array

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PHP gets the specified number of cell contents of the specified array in a random array
I can show it randomly in a local apmserv 5.2.6 environment, but when I upload to American space, it shows the number 5, not random. How should I change my advice? Or what function can be used to replace the implementation of random?
  1. $numbers = range (1, 100); Range is to list 1 to 100 as an array
  2. $result = Array_rand ($numbers, 100); Array_rand the specified number of cells in an array in random order
  3. echo $result [5]; Gets the specified number of cells in the array randomly fetched
  4. ?>
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