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<?php $history = new \stdClass(); var_dump($history->tier->name ?? 'Unknown Plan'); $history->tier = new \stdClass(); var_dump($history->tier->name ?? 'Unknown Plan'); $history->tier->name = null; var_dump($history->tier->name ?? 'Unknown Plan'); $history->tier = null; var_dump($history->tier->name ?? 'Unknown Plan'); $history->tier = 42; var_dump($history->tier->name ?? 'Unknown Plan');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VB0jr
function name:  (null)
number of ops:  50
compiled vars:  !0 = $history
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   NEW                                                  $1      'stdClass'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
    4     3        INIT_FCALL                                                   'var_dump'
          4        FETCH_OBJ_IS                                         ~4      !0, 'tier'
          5        FETCH_OBJ_IS                                         ~5      ~4, 'name'
          6        COALESCE                                             ~6      ~5
          7        QM_ASSIGN                                            ~6      'Unknown+Plan'
          8        SEND_VAL                                                     ~6
          9        DO_ICALL                                                     
    6    10        NEW                                                  $9      'stdClass'
         11        DO_FCALL                                          0          
         12        ASSIGN_OBJ                                                   !0, 'tier'
         13        OP_DATA                                                      $9
    7    14        INIT_FCALL                                                   'var_dump'
         15        FETCH_OBJ_IS                                         ~11     !0, 'tier'
         16        FETCH_OBJ_IS                                         ~12     ~11, 'name'
         17        COALESCE                                             ~13     ~12
         18        QM_ASSIGN                                            ~13     'Unknown+Plan'
         19        SEND_VAL                                                     ~13
         20        DO_ICALL                                                     
    9    21        FETCH_OBJ_W                                          $15     !0, 'tier'
         22        ASSIGN_OBJ                                                   $15, 'name'
         23        OP_DATA                                                      null
   10    24        INIT_FCALL                                                   'var_dump'
         25        FETCH_OBJ_IS                                         ~17     !0, 'tier'
         26        FETCH_OBJ_IS                                         ~18     ~17, 'name'
         27        COALESCE                                             ~19     ~18
         28        QM_ASSIGN                                            ~19     'Unknown+Plan'
         29        SEND_VAL                                                     ~19
         30        DO_ICALL                                                     
   12    31        ASSIGN_OBJ                                                   !0, 'tier'
         32        OP_DATA                                                      null
   13    33        INIT_FCALL                                                   'var_dump'
         34        FETCH_OBJ_IS                                         ~22     !0, 'tier'
         35        FETCH_OBJ_IS                                         ~23     ~22, 'name'
         36        COALESCE                                             ~24     ~23
         37        QM_ASSIGN                                            ~24     'Unknown+Plan'
         38        SEND_VAL                                                     ~24
         39        DO_ICALL                                                     
   15    40        ASSIGN_OBJ                                                   !0, 'tier'
         41        OP_DATA                                                      42
   16    42        INIT_FCALL                                                   'var_dump'
         43        FETCH_OBJ_IS                                         ~27     !0, 'tier'
         44        FETCH_OBJ_IS                                         ~28     ~27, 'name'
         45        COALESCE                                             ~29     ~28
         46        QM_ASSIGN                                            ~29     'Unknown+Plan'
         47        SEND_VAL                                                     ~29
         48        DO_ICALL                                                     
         49      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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