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  1. <?php
  2.  
  3. $array = [
  4.     [
  5.             'id' => 6,
  6.             'projeto_id' => 5,
  7.             'etapa_num' => 1,
  8.             'tarefa' => 'teste 1', 
  9.             'status' => 0
  10.     ],
  11.     [
  12.             'id' => 7,
  13.             'projeto_id' => 5,
  14.             'etapa_num' => 1,
  15.             'tarefa' => 'teste 2',
  16.             'status' => 0
  17.     ],
  18.     [
  19.             'id' => 8,
  20.             'projeto_id' => 5,
  21.             'etapa_num' => 2,
  22.             'tarefa' => 'teste 3',
  23.             'status' => 0
  24.     ]
  25.  
  26. ];
  27.  
  28. $etapas = [];
  29. foreach($array as $key => $value) {
  30.     $etapas[$value['etapa_num']][] = $value;
  31. }
  32. var_dump($etapas);
Success #stdin #stdout 0.01s 82880KB
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array(2) {
  [1]=>
  array(2) {
    [0]=>
    array(5) {
      ["id"]=>
      int(6)
      ["projeto_id"]=>
      int(5)
      ["etapa_num"]=>
      int(1)
      ["tarefa"]=>
      string(7) "teste 1"
      ["status"]=>
      int(0)
    }
    [1]=>
    array(5) {
      ["id"]=>
      int(7)
      ["projeto_id"]=>
      int(5)
      ["etapa_num"]=>
      int(1)
      ["tarefa"]=>
      string(7) "teste 2"
      ["status"]=>
      int(0)
    }
  }
  [2]=>
  array(1) {
    [0]=>
    array(5) {
      ["id"]=>
      int(8)
      ["projeto_id"]=>
      int(5)
      ["etapa_num"]=>
      int(2)
      ["tarefa"]=>
      string(7) "teste 3"
      ["status"]=>
      int(0)
    }
  }
}
https://ideone.com/wYLi0C
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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