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<?php $map = []; print "Empty array\n"; var_dump($map['rollback_action'] == 0); var_dump(!isset($map['rollback_action']) || $map['rollback_action'] == 0); $map = false; print "\n\nFalse\n"; var_dump($map['rollback_action'] == 0); var_dump(!isset($map['rollback_action']) || $map['rollback_action'] == 0); $map['rollback_action'] = NULL; print "\n\nNULL value\n"; var_dump($map['rollback_action'] == 0); var_dump(!isset($map['rollback_action']) || $map['rollback_action'] == 0); $map['rollback_action'] = 0; print "\n\n0 value\n"; var_dump($map['rollback_action'] == 0); var_dump(!isset($map['rollback_action']) || $map['rollback_action'] == 0); $map['rollback_action'] = 1; print "\n\n1 value\n"; var_dump($map['rollback_action'] == 0); var_dump(!isset($map['rollback_action']) || $map['rollback_action'] == 0);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 11, Position 2 = 14
Branch analysis from position: 11
2 jumps found. (Code = 47) Position 1 = 27, Position 2 = 30
Branch analysis from position: 27
2 jumps found. (Code = 47) Position 1 = 44, Position 2 = 47
Branch analysis from position: 44
2 jumps found. (Code = 47) Position 1 = 61, Position 2 = 64
Branch analysis from position: 61
2 jumps found. (Code = 47) Position 1 = 78, Position 2 = 81
Branch analysis from position: 78
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 81
Branch analysis from position: 64
Branch analysis from position: 47
Branch analysis from position: 30
Branch analysis from position: 14
filename:       /in/hGIMP
function name:  (null)
number of ops:  84
compiled vars:  !0 = $map
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ECHO                                                     'Empty+array%0A'
    6     2        INIT_FCALL                                               'var_dump'
          3        FETCH_DIM_R                                      ~2      !0, 'rollback_action'
          4        IS_EQUAL                                         ~3      ~2, 0
          5        SEND_VAL                                                 ~3
          6        DO_ICALL                                                 
    7     7        INIT_FCALL                                               'var_dump'
          8        ISSET_ISEMPTY_DIM_OBJ                         0  ~5      !0, 'rollback_action'
          9        BOOL_NOT                                         ~6      ~5
         10      > JMPNZ_EX                                         ~6      ~6, ->14
         11    >   FETCH_DIM_R                                      ~7      !0, 'rollback_action'
         12        IS_EQUAL                                         ~8      ~7, 0
         13        BOOL                                             ~6      ~8
         14    >   SEND_VAL                                                 ~6
         15        DO_ICALL                                                 
    9    16        ASSIGN                                                   !0, <false>
   10    17        ECHO                                                     '%0A%0AFalse%0A'
   11    18        INIT_FCALL                                               'var_dump'
         19        FETCH_DIM_R                                      ~11     !0, 'rollback_action'
         20        IS_EQUAL                                         ~12     ~11, 0
         21        SEND_VAL                                                 ~12
         22        DO_ICALL                                                 
   12    23        INIT_FCALL                                               'var_dump'
         24        ISSET_ISEMPTY_DIM_OBJ                         0  ~14     !0, 'rollback_action'
         25        BOOL_NOT                                         ~15     ~14
         26      > JMPNZ_EX                                         ~15     ~15, ->30
         27    >   FETCH_DIM_R                                      ~16     !0, 'rollback_action'
         28        IS_EQUAL                                         ~17     ~16, 0
         29        BOOL                                             ~15     ~17
         30    >   SEND_VAL                                                 ~15
         31        DO_ICALL                                                 
   14    32        ASSIGN_DIM                                               !0, 'rollback_action'
         33        OP_DATA                                                  null
   15    34        ECHO                                                     '%0A%0ANULL+value%0A'
   16    35        INIT_FCALL                                               'var_dump'
         36        FETCH_DIM_R                                      ~20     !0, 'rollback_action'
         37        IS_EQUAL                                         ~21     ~20, 0
         38        SEND_VAL                                                 ~21
         39        DO_ICALL                                                 
   17    40        INIT_FCALL                                               'var_dump'
         41        ISSET_ISEMPTY_DIM_OBJ                         0  ~23     !0, 'rollback_action'
         42        BOOL_NOT                                         ~24     ~23
         43      > JMPNZ_EX                                         ~24     ~24, ->47
         44    >   FETCH_DIM_R                                      ~25     !0, 'rollback_action'
         45        IS_EQUAL                                         ~26     ~25, 0
         46        BOOL                                             ~24     ~26
         47    >   SEND_VAL                                                 ~24
         48        DO_ICALL                                                 
   19    49        ASSIGN_DIM                                               !0, 'rollback_action'
         50        OP_DATA                                                  0
   20    51        ECHO                                                     '%0A%0A0+value%0A'
   21    52        INIT_FCALL                                               'var_dump'
         53        FETCH_DIM_R                                      ~29     !0, 'rollback_action'
         54        IS_EQUAL                                         ~30     ~29, 0
         55        SEND_VAL                                                 ~30
         56        DO_ICALL                                                 
   22    57        INIT_FCALL                                               'var_dump'
         58        ISSET_ISEMPTY_DIM_OBJ                         0  ~32     !0, 'rollback_action'
         59        BOOL_NOT                                         ~33     ~32
         60      > JMPNZ_EX                                         ~33     ~33, ->64
         61    >   FETCH_DIM_R                                      ~34     !0, 'rollback_action'
         62        IS_EQUAL                                         ~35     ~34, 0
         63        BOOL                                             ~33     ~35
         64    >   SEND_VAL                                                 ~33
         65        DO_ICALL                                                 
   24    66        ASSIGN_DIM                                               !0, 'rollback_action'
         67        OP_DATA                                                  1
   25    68        ECHO                                                     '%0A%0A1+value%0A'
   26    69        INIT_FCALL                                               'var_dump'
         70        FETCH_DIM_R                                      ~38     !0, 'rollback_action'
         71        IS_EQUAL                                         ~39     ~38, 0
         72        SEND_VAL                                                 ~39
         73        DO_ICALL                                                 
   27    74        INIT_FCALL                                               'var_dump'
         75        ISSET_ISEMPTY_DIM_OBJ                         0  ~41     !0, 'rollback_action'
         76        BOOL_NOT                                         ~42     ~41
         77      > JMPNZ_EX                                         ~42     ~42, ->81
         78    >   FETCH_DIM_R                                      ~43     !0, 'rollback_action'
         79        IS_EQUAL                                         ~44     ~43, 0
         80        BOOL                                             ~42     ~44
         81    >   SEND_VAL                                                 ~42
         82        DO_ICALL                                                 
         83      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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