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  1. <?php
  2.  
  3. $lists = [
  4.     [ 'item' => 'foo' ],
  5.     [ 'item' => 'foo' ],
  6.     [ 'item' => 'ACTIVE' ],
  7.     [ 'item' => 'foo' ],
  8.     [ 'item' => 'foo' ],
  9.     [ 'item' => 'ACTIVE' ],
  10.     [ 'item' => 'foo' ],
  11. ];
  12.  
  13. $indexes = array();
  14. array_walk($lists, function($i, $key) use (&$indexes) {
  15.                if ($i['item'] == 'ACTIVE') $indexes[] = $key;
  16.            });
  17.  
  18. print_r($indexes);
  19.  
Success #stdin #stdout 0.01s 20520KB
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Standard input is empty
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Array
(
    [0] => 2
    [1] => 5
)
https://ideone.com/gLetMp
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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