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random numbers between x and y

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  1. function generate_numbers($min, $max, $anz)
  2. {
  3.      $array = range($min, $max);
  4.      srand ((double)microtime()*1000000);
  5.      for($x = 0; $x < $anz; $x++)
  6.      {
  7.           $i = rand(1, count($array))-1;
  8.           $erg[] = $array[$i];
  9.           array_splice($array, $i, 1);
  10.      }
  11.      return $erg;
  12. }
  13.  
  14. // 5 eindeutige Zahlen im Bereich von 1 bis 100 ermitteln
  15. $zufalls_array = generate_numbers(1, 100, 5);
  16. echo join("; ", $zufalls_array);

URL: http://www.php-faq.de/q/q-code-zufallszahlen.html

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