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  1. <?php
  2. $in = print_r_reverse("
  3. Array
  4. (
  5.     [0] => Array
  6.         (
  7.             [Import] => Array
  8.                 (
  9.                     [product_id] => 1
  10.                     [id] => 1
  11.                     [category_id] => 1
  12.                     [amount] => 50
  13.                     [cost] => 8320
  14.                     [paid] => 0
  15.                     [comment] => transportation and others cost: 100  
  16.                     [created] => 2015-06-22 12:09:20
  17.                 )
  18.  
  19.             [0] => Array
  20.                 (
  21.                     [total_sell] => 6
  22.                 )
  23.  
  24.         )
  25.  
  26.     [1] => Array
  27.         (
  28.             [Import] => Array
  29.                 (
  30.                     [product_id] => 2
  31.                     [id] => 2
  32.                     [category_id] => 2
  33.                     [amount] => 15
  34.                     [cost] => 3000
  35.                     [paid] => 0
  36.                     [comment] => 
  37.                     [created] => 2015-06-22 12:10:36
  38.                 )
  39.  
  40.             [0] => Array
  41.                 (
  42.                     [total_sell] => 1
  43.                 )
  44.  
  45.         )
  46.  
  47.     [2] => Array
  48.         (
  49.             [Import] => Array
  50.                 (
  51.                     [product_id] => 1
  52.                     [id] => 3
  53.                     [category_id] => 1
  54.                     [amount] => 15
  55.                     [cost] => 2000
  56.                     [paid] => 0
  57.                     [comment] => 
  58.                     [created] => 2015-06-22 12:10:58
  59.                 )
  60.  
  61.             [0] => Array
  62.                 (
  63.                     [total_sell] => 6
  64.                 )
  65.  
  66.         )
  67.  
  68.     [3] => Array
  69.         (
  70.             [Import] => Array
  71.                 (
  72.                     [product_id] => 1
  73.                     [id] => 4
  74.                     [category_id] => 1
  75.                     [amount] => 50
  76.                     [cost] => 8000
  77.                     [paid] => 0
  78.                     [comment] => 
  79.                     [created] => 2015-06-23 01:10:10
  80.                 )
  81.  
  82.             [0] => Array
  83.                 (
  84.                     [total_sell] => 6
  85.                 )
  86.  
  87.         )
  88.  
  89. )");
  90.  
  91.  
  92. $desired = print_r_reverse("
  93. Array
  94. (
  95.     [0] => Array
  96.         (
  97.             [Import] => Array
  98.                 (
  99.                     [product_id] => 1
  100.                     [id] => 1
  101.                     [category_id] => 1
  102.                     [amount] => 50
  103.                     [cost] => 8320
  104.                     [paid] => 0
  105.                     [comment] => transportation and others cost: 100  
  106.                     [created] => 2015-06-22 12:09:20
  107.                 )
  108.  
  109.             [0] => Array
  110.                 (
  111.                     [total_sell] => 6
  112.                 )
  113.  
  114.         )
  115.  
  116.     [1] => Array
  117.         (
  118.             [Import] => Array
  119.                 (
  120.                     [product_id] => 2
  121.                     [id] => 2
  122.                     [category_id] => 2
  123.                     [amount] => 15
  124.                     [cost] => 3000
  125.                     [paid] => 0
  126.                     [comment] => 
  127.                     [created] => 2015-06-22 12:10:36
  128.                 )
  129.  
  130.             [0] => Array
  131.                 (
  132.                     [total_sell] => 1
  133.                 )
  134.  
  135.         )
  136.  
  137. )");
  138.  
  139.  
  140. ////////////////////
  141.  
  142. $out = []; 
  143. $hashTable = [];
  144. foreach($in as $item) {
  145.   $pid = $item['Import']['product_id'];
  146.   if(!isset($hashTable[$pid])) {
  147.   	$out[] = $item; 
  148.   	$hashTable[$pid] = true;
  149.   }
  150. }
  151.  
  152. print_r($out);
  153.  
  154. // Prove they are the same!
  155. if( json_encode($out) === json_encode($desired) ) {
  156. 	echo "They are the same!!";
  157. }
  158.  
  159. //////////////////
  160.  
  161.  
  162. function print_r_reverse($in) {
  163.     $lines = explode("\n", trim($in));
  164.     if (trim($lines[0]) != 'Array') {
  165.         // bottomed out to something that isn't an array
  166.         return $in;
  167.     } else {
  168.         // this is an array, lets parse it
  169.         if (preg_match("/(\s{5,})\(/", $lines[1], $match)) {
  170.             // this is a tested array/recursive call to this function
  171.             // take a set of spaces off the beginning
  172.             $spaces = $match[1];
  173.             $spaces_length = strlen($spaces);
  174.             $lines_total = count($lines);
  175.             for ($i = 0; $i < $lines_total; $i++) {
  176.                 if (substr($lines[$i], 0, $spaces_length) == $spaces) {
  177.                     $lines[$i] = substr($lines[$i], $spaces_length);
  178.                 }
  179.             }
  180.         }
  181.         array_shift($lines); // Array
  182.         array_shift($lines); // (
  183.         array_pop($lines); // )
  184.         $in = implode("\n", $lines);
  185.         // make sure we only match stuff with 4 preceding spaces (stuff for this array and not a nested one)
  186.         preg_match_all("/^\s{4}\[(.+?)\] \=\> /m", $in, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
  187.         $pos = array();
  188.         $previous_key = '';
  189.         $in_length = strlen($in);
  190.         // store the following in $pos:
  191.         // array with key = key of the parsed array's item
  192.         // value = array(start position in $in, $end position in $in)
  193.         foreach ($matches as $match) {
  194.             $key = $match[1][0];
  195.             $start = $match[0][1] + strlen($match[0][0]);
  196.             $pos[$key] = array($start, $in_length);
  197.             if ($previous_key != '') $pos[$previous_key][1] = $match[0][1] - 1;
  198.             $previous_key = $key;
  199.         }
  200.         $ret = array();
  201.         foreach ($pos as $key => $where) {
  202.             // recursively see if the parsed out value is an array too
  203.             $ret[$key] = print_r_reverse(substr($in, $where[0], $where[1] - $where[0]));
  204.         }
  205.         return $ret;
  206.     }
  207. }
Success #stdin #stdout 0.02s 24400KB
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Array
(
    [0] => Array
        (
            [Import] => Array
                (
                    [product_id] => 1
                    [id] => 1
                    [category_id] => 1
                    [amount] => 50
                    [cost] => 8320
                    [paid] => 0
                    [comment] => transportation and others cost: 100  
                    [created] => 2015-06-22 12:09:20
                )

            [0] => Array
                (
                    [total_sell] => 6
                )

        )

    [1] => Array
        (
            [Import] => Array
                (
                    [product_id] => 2
                    [id] => 2
                    [category_id] => 2
                    [amount] => 15
                    [cost] => 3000
                    [paid] => 0
                    [comment] => 
                    [created] => 2015-06-22 12:10:36
                )

            [0] => Array
                (
                    [total_sell] => 1
                )

        )

)
They are the same!!
https://ideone.com/5RF0og
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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