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Eliminate Duplicates in Multi-Dimensional Arrays

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Courtesy of Dorphalsig on php.net (see URL above)

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  1. // remove duplicate elements from n-dimensional arrays
  2. function uniqueArray($nDimArray) {
  3.  
  4.     foreach($nDimArray as &$val) {
  5.         $val = serialize($val);
  6.     }
  7.     $nDimArray = array_unique($nDimArray);
  8.     foreach($nDimArray as &$val) {
  9.         $val = unserialize($val);
  10.     }
  11.     return $nDimArray;
  12. }

URL: http://www.php.net/manual/en/function.array-unique.php#84750

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