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<?php $data = [ ['time_diff' => 178], ['time_diff' => 41], ['time_diff' => 83] ]; usort($data, function ($a, $b) { $a['date_diff'] < $b['date_diff']; }); print_r($data);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ceN4O
function name:  (null)
number of ops:  10
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'usort'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FceN4O%3A9%240'
   11     4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
   13     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FceN4O%3A9%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ceN4O
function name:  {closure}
number of ops:  7
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   10     2        FETCH_DIM_R                                      ~2      !0, 'date_diff'
          3        FETCH_DIM_R                                      ~3      !1, 'date_diff'
          4        IS_SMALLER                                       ~4      ~2, ~3
          5        FREE                                                     ~4
   11     6      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FceN4O%3A9%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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