Sorting an array with DateTime strings?

Question

How can i sort efficiently this array (recent items first) on end_time value in PHP?

array
  0 => 
    array
      \'value\' => int 4
             


        

Answer 1

usort($array, function($a, $b){ 
    return (strtotime ($a ['end_time']) 
          - strtotime ($b ['end_time'])) 
          * -1; 
});