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  1. <?php
  2.  
  3. $arr1 = array
  4. (
  5.     '0' =>  'col1',
  6.     '1' =>  'col2',
  7.     '2' =>  'col3'
  8. );
  9.  
  10. $arr2 = array
  11. (
  12.     "0" => array
  13.         (
  14.             "col3" => "data1",
  15.             "col2" => "data2",
  16.             "col1" => "data3"
  17.         ),
  18.  
  19.     "1" => array
  20.         (
  21.             "col2" => "data1",
  22.             "col3" => "data2",
  23.             "col1" => "data3",
  24.         )
  25. );
  26.  
  27. $keys = array_values($arr1);
  28. $out = array();
  29. foreach($arr2 as $ar){
  30.     $outar = array();
  31.     foreach($keys as $k){
  32.         if(isset($ar[$k])){
  33.             $outar[$k]=$ar[$k];
  34.         }
  35.     }
  36.     $out[]=$outar;
  37. }
  38.  
  39. print_r($out);
  40.  
Success #stdin #stdout 0.01s 20520KB
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Array
(
    [0] => Array
        (
            [col1] => data3
            [col2] => data2
            [col3] => data1
        )

    [1] => Array
        (
            [col1] => data3
            [col2] => data1
            [col3] => data2
        )

)
https://ideone.com/8h66oi
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
secret

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