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  1. <?php
  2. $myArray = 
  3.     Array ( '0' => 
  4.             Array ( '0' => 
  5.                     Array ( 
  6.                            'Date' => '1776-08-08',
  7.                            'Color' => 'Yellow',
  8.                            'Description' => 'Rotten'
  9.                             ) ) ,
  10.  
  11.             '1' => Array ( ),
  12.             '2' => 
  13.             Array ('0' =>
  14.                    Array ( 
  15.                           'Date' => '2018-05-13',
  16.                           'Color' => 'Red', 
  17.                           'Status' => 'Fresh' 
  18.                            ) ,
  19.                    '1' => 
  20.                    Array ( 
  21.                           'Date' => '1991-03-29',
  22.                           'Color' => 'Green', 
  23.                           'Status' => 'Fresh'  ) ) );
  24.  
  25. $newArray = array();
  26. foreach ($myArray as $el) {
  27.     $temp = array();
  28.     array_walk_recursive($el, function($v, $k) use (&$temp) {
  29.             if ($k == "Date") {
  30.                 $temp[] = $v;
  31.             }
  32.         });
  33.     $newArray[] = $temp;
  34.  
  35. }
  36. print_r($newArray);
Success #stdin #stdout 0.01s 82880KB
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Array
(
    [0] => Array
        (
            [0] => 1776-08-08
        )

    [1] => Array
        (
        )

    [2] => Array
        (
            [0] => 2018-05-13
            [1] => 1991-03-29
        )

)
https://ideone.com/72dDE0
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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