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Un-repeated Random Variables

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Generating Array of Un-repeated Random Variables In User-Defined Bounds

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  1. <?php
  2.     function GetUnrepeatedRandomVariables($minIndex,$maxIndex)
  3.     {
  4.         $res = array();
  5.  
  6.         while(1)
  7.         {
  8.             if(count($res) == ($maxIndex-$minIndex+1))
  9.                 break;
  10.             $rand = rand($minIndex, $maxIndex);
  11.             if(!in_array($rand, $res))
  12.                 array_push ($res, $rand);
  13.         }
  14.         return $res;
  15.     }
  16.  
  17.     $arr = GetUnrepeatedRandomVariables(0, 10);        
  18.     print (count($arr) ."<br />");
  19.     foreach ($arr as $val)
  20.         print($val ."<br />");
  21. ?>

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