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Dec 12th, 2017
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  1. <?php
  2. $arr=array(array('a',1),array('a',2));
  3. $arr2=array_unique($arr);
  4. if($arr2==$arr){
  5. echo "equal";
  6. }
  7. else{
  8. echo "not equal";
  9. }
  10. ?>
  11.  
  12. $arr2 = array_unique($arr, SORT_REGULAR);
  13.  
  14. $arr1 = array_map("serialize", $arr);
  15. $arr2 = array_unique($arr1);
  16. if ($arr2 == $arr1) {
  17.  
  18. function array_unique_when_values_are_serializable($main_array) {
  19. return array_map('unserialize', array_values(array_unique(array_map('serialize', $main_array))));
  20. }
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