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Shuffle/Randomize Array while Preserving Keys

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  1. function shuffle_with_keys(&$array) { 
  2. 	$aux = array(); 
  3. 	$keys = array_keys($array); 
  4. 	shuffle($keys); 
  5. 	foreach($keys as $key) { 
  6. 		$aux[$key] = $array[$key]; 
  7. 		unset($array[$key]); 
  8. 	} 
  9. 	$array = $aux;
  10. }

URL: http://us3.php.net/manual/en/function.shuffle.php#83007

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