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  1. <?php
  2. $arr = array(
  3.     array(
  4.         'id' => 1,
  5.         'create_date' => 1370607734
  6.     ),
  7.     array(
  8.         'id' => 2,
  9.         'create_date' => 1370657734
  10.     ),
  11.     array(
  12.         'id' => 3,
  13.         'create_date' => 1370407734
  14.     )
  15. );
  16.  
  17. function sorter($a, $b) {
  18.     if($a['create_date'] == $b['create_date'])
  19.         return 0;
  20.     return ($a['create_date'] < $b['create_date']) ? -1 : 1;
  21. }
  22.  
  23. var_dump($arr);
  24. usort($arr, "sorter");
  25. var_dump($arr);
Success #stdin #stdout 0.01s 20520KB
comments (?)
stdin 
Standard input is empty
stdout 
array(3) {
  [0]=>
  array(2) {
    ["id"]=>
    int(1)
    ["create_date"]=>
    int(1370607734)
  }
  [1]=>
  array(2) {
    ["id"]=>
    int(2)
    ["create_date"]=>
    int(1370657734)
  }
  [2]=>
  array(2) {
    ["id"]=>
    int(3)
    ["create_date"]=>
    int(1370407734)
  }
}
array(3) {
  [0]=>
  array(2) {
    ["id"]=>
    int(3)
    ["create_date"]=>
    int(1370407734)
  }
  [1]=>
  array(2) {
    ["id"]=>
    int(1)
    ["create_date"]=>
    int(1370607734)
  }
  [2]=>
  array(2) {
    ["id"]=>
    int(2)
    ["create_date"]=>
    int(1370657734)
  }
}
https://ideone.com/tsOsxV
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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