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<?php $result =[ ["day" => "Feb 2018", "value" => "101"], ["day" => "Jan 2018", "value" => "18"], ["day" => "Mar 2018", "value" => "0"] ]; usort($result,function($a,$b){return strtotime($a['day'])-strtotime($b['day']);}); var_export($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hQFTg
function name:  (null)
number of ops:  10
compiled vars:  !0 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'usort'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
          4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
   10     6        INIT_FCALL                                               'var_export'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hQFTg
function name:  {closure}
number of ops:  13
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        INIT_FCALL                                               'strtotime'
          3        FETCH_DIM_R                                      ~2      !0, 'day'
          4        SEND_VAL                                                 ~2
          5        DO_ICALL                                         $3      
          6        INIT_FCALL                                               'strtotime'
          7        FETCH_DIM_R                                      ~4      !1, 'day'
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                         $5      
         10        SUB                                              ~6      $3, $5
         11      > RETURN                                                   ~6
         12*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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