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  1. <?php
  2. $array = [
  3.     0=>1, 
  4.     1=>"Jon",
  5.     2=>"jon@email.com", 
  6.     3=>2, 
  7.     4=>"Doe", 
  8.     5=>"doe@email.com", 
  9.     6=>3, 
  10.     7=>"Foo", 
  11.     8=>"foo@email.com"
  12. ];
  13.  
  14. $newArr = [];    
  15. foreach($array as $key=>$value){
  16.    if ($key % 3 == 0)
  17.         $newArr[] = ["id" => $value];
  18.    if ($key % 3 == 1)
  19.        $newArr[sizeof($newArr)-1]["name"] = $value;
  20.    if ($key % 3 == 2)
  21.        $newArr[sizeof($newArr)-1]["email"] = $value;
  22. }
  23.  
  24. var_dump($newArr);
Success #stdin #stdout 0.01s 82560KB
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Standard input is empty
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array(3) {
  [0]=>
  array(3) {
    ["id"]=>
    int(1)
    ["name"]=>
    string(3) "Jon"
    ["email"]=>
    string(13) "jon@email.com"
  }
  [1]=>
  array(3) {
    ["id"]=>
    int(2)
    ["name"]=>
    string(3) "Doe"
    ["email"]=>
    string(13) "doe@email.com"
  }
  [2]=>
  array(3) {
    ["id"]=>
    int(3)
    ["name"]=>
    string(3) "Foo"
    ["email"]=>
    string(13) "foo@email.com"
  }
}
https://ideone.com/Z4DGYf
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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