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<?php $arr = [ ['company' => 'A', 'weight' => 4.6], ['company' => 'B', 'weight' => 1.7], ['company' => 'C', 'weight' => 3.7], ['company' => 'D', 'weight' => 13.2], ['company' => 'E', 'weight' => 1.85], ['company' => 'F', 'weight' => 2.07], ]; usort($arr, fn($a, $b) => $b['weight'] <=> $a['weight']); var_export($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b6pba
function name:  (null)
number of ops:  10
compiled vars:  !0 = $arr
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
   12     1        INIT_FCALL                                                   'usort'
          2        SEND_REF                                                     !0
          3        DECLARE_LAMBDA_FUNCTION                              ~2      [0]
          4        SEND_VAL                                                     ~2
          5        DO_ICALL                                                     
   14     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/b6pba
function name:  {closure:/in/b6pba:12}
number of ops:  7
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   12     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
          2        FETCH_DIM_R                                          ~2      !1, 'weight'
          3        FETCH_DIM_R                                          ~3      !0, 'weight'
          4        SPACESHIP                                            ~4      ~2, ~3
          5      > RETURN                                                       ~4
          6*     > RETURN                                                       null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


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