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<?php $objects = [new stdClass]; $result = []; foreach ($objects as $object) { $result[$object::class] = $object; } var_dump($result); var_dump(array_column($objects, null, 'class'));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 11
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 11
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/PGNJr
function name:  (null)
number of ops:  24
compiled vars:  !0 = $objects, !1 = $result, !2 = $object
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'stdClass'
          1        DO_FCALL                                      0          
          2        INIT_ARRAY                                       ~5      $3
          3        ASSIGN                                                   !0, ~5
    5     4        ASSIGN                                                   !1, <array>
    6     5      > FE_RESET_R                                       $8      !0, ->11
          6    > > FE_FETCH_R                                               $8, !2, ->11
    7     7    >   FETCH_CLASS_NAME                                 ~9      !2
          8        ASSIGN_DIM                                               !1, ~9
          9        OP_DATA                                                  !2
    6    10      > JMP                                                      ->6
         11    >   FE_FREE                                                  $8
   10    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                                 
   12    15        INIT_FCALL                                               'var_dump'
         16        INIT_FCALL                                               'array_column'
         17        SEND_VAR                                                 !0
         18        SEND_VAL                                                 null
         19        SEND_VAL                                                 'class'
         20        DO_ICALL                                         $12     
         21        SEND_VAR                                                 $12
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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