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Sort multidimensional array

/ Published in: PHP
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This sorts a multi-dimensional array by one of the values in the array. Sorts in Desc order (most recent date first).

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  1. <?php
  2. $transactions = array(
  3. 0 => array('date'=>1324235252, 'day'=>'monday'),
  4. 1 => array('date'=>1326516552, 'day'=>'tuesday'),
  5. 2 => array('date'=>1333453235, 'day'=>'wednesday')
  6. )
  7.  
  8. function sortByOrder($a, $b) {
  9.     return $b['date'] - $a['date'];
  10. }
  11.  
  12. usort($transactions, 'sortByOrder');

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