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  1. <?php
  2.  
  3. $arr = [
  4.   "user_id" => 1,
  5.   "description" => [
  6.     "текст первый",
  7.     "текст второй",
  8.     "и даже третий"
  9.   ],
  10.   "title" => []
  11. ];
  12.  
  13.  
  14. $new_arr = [];
  15. foreach ($arr['description'] as $desc) {
  16. 	$tmp = $arr;
  17. 	$tmp['description'] = $desc;
  18. 	$new_arr[] = $tmp;
  19. }
  20.  
  21. print_r($new_arr);
Success #stdin #stdout 0.01s 82560KB
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Array
(
    [0] => Array
        (
            [user_id] => 1
            [description] => текст первый
            [title] => Array
                (
                )

        )

    [1] => Array
        (
            [user_id] => 1
            [description] => текст второй
            [title] => Array
                (
                )

        )

    [2] => Array
        (
            [user_id] => 1
            [description] => и даже третий
            [title] => Array
                (
                )

        )

)
https://ideone.com/5Vkav0
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
secret

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