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  1. <?php
  2.  
  3. $array = array(
  4.   array(
  5.    'name' => 'title 1',
  6.    'price' => 200,
  7.    'order' => 8
  8.   ),
  9.   array(
  10.    'name' => 'title 2',
  11.    'price' => 100,
  12.    'order' => 3
  13.   )
  14. );
  15.  
  16. function sortBy(&$arr, $field) {
  17.   return usort($arr, function ($a, $b) use ($field) {
  18.     return $a[$field] - $b[$field];
  19.   });
  20. }
  21.  
  22. sortBy($array, 'price');
  23. var_dump($array);
  24.  
  25. sortBy($array, 'order');
  26. var_dump($array);
Success #stdin #stdout 0s 82560KB
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stdin
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stdout
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array(2) {
  [0]=>
  array(3) {
    ["name"]=>
    string(7) "title 2"
    ["price"]=>
    int(100)
    ["order"]=>
    int(3)
  }
  [1]=>
  array(3) {
    ["name"]=>
    string(7) "title 1"
    ["price"]=>
    int(200)
    ["order"]=>
    int(8)
  }
}
array(2) {
  [0]=>
  array(3) {
    ["name"]=>
    string(7) "title 2"
    ["price"]=>
    int(100)
    ["order"]=>
    int(3)
  }
  [1]=>
  array(3) {
    ["name"]=>
    string(7) "title 1"
    ["price"]=>
    int(200)
    ["order"]=>
    int(8)
  }
}
https://ideone.com/t201YR
language:
PHP (php 7.3.5)
created:
4 years ago
visibility:
public

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