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<?php define('FLAG_1', 1 << 0); define('FLAG_2', 1 << 1); define('FLAG_3', 1 << 2); define('FLAG_4', 1 << 3); define('FLAG_5', 1 << 4); define('FLAG_6', 1 << 5); define('FLAG_7', 1 << 6); define('FLAG_8', 1 << 7); define('FLAG_9', 1 << 8); $flags = FLAG_1 & FLAG_4; echo $flags & FLAG_1; echo $flags & FLAG_2; echo $flags | FLAG_1; if ($flags & FLAG_1) { echo "Flag 1 set."; } if ($flags & FLAG_2) { echo "Flag 2 set."; } if ($flags & FLAG_4) { echo "Flag 4 set."; } if ($flags & (FLAG_1 | FLAG_4)) { echo "Flag 1 and 4 set."; } if ($flags & (FLAG_1 | FLAG_2 | FLAG_4)) { echo "Flag 1, 2 and 4 set."; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 52, Position 2 = 53
Branch analysis from position: 52
2 jumps found. (Code = 43) Position 1 = 56, Position 2 = 57
Branch analysis from position: 56
2 jumps found. (Code = 43) Position 1 = 60, Position 2 = 61
Branch analysis from position: 60
2 jumps found. (Code = 43) Position 1 = 66, Position 2 = 67
Branch analysis from position: 66
2 jumps found. (Code = 43) Position 1 = 74, Position 2 = 75
Branch analysis from position: 74
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 75
Branch analysis from position: 67
Branch analysis from position: 61
Branch analysis from position: 57
Branch analysis from position: 53
filename:       /in/Q63dm
function name:  (null)
number of ops:  76
compiled vars:  !0 = $flags
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'define'
          1        SEND_VAL                                                 'FLAG_1'
          2        SEND_VAL                                                 1
          3        DO_ICALL                                                 
    3     4        INIT_FCALL                                               'define'
          5        SEND_VAL                                                 'FLAG_2'
          6        SEND_VAL                                                 2
          7        DO_ICALL                                                 
    4     8        INIT_FCALL                                               'define'
          9        SEND_VAL                                                 'FLAG_3'
         10        SEND_VAL                                                 4
         11        DO_ICALL                                                 
    5    12        INIT_FCALL                                               'define'
         13        SEND_VAL                                                 'FLAG_4'
         14        SEND_VAL                                                 8
         15        DO_ICALL                                                 
    6    16        INIT_FCALL                                               'define'
         17        SEND_VAL                                                 'FLAG_5'
         18        SEND_VAL                                                 16
         19        DO_ICALL                                                 
    7    20        INIT_FCALL                                               'define'
         21        SEND_VAL                                                 'FLAG_6'
         22        SEND_VAL                                                 32
         23        DO_ICALL                                                 
    8    24        INIT_FCALL                                               'define'
         25        SEND_VAL                                                 'FLAG_7'
         26        SEND_VAL                                                 64
         27        DO_ICALL                                                 
    9    28        INIT_FCALL                                               'define'
         29        SEND_VAL                                                 'FLAG_8'
         30        SEND_VAL                                                 128
         31        DO_ICALL                                                 
   10    32        INIT_FCALL                                               'define'
         33        SEND_VAL                                                 'FLAG_9'
         34        SEND_VAL                                                 256
         35        DO_ICALL                                                 
   12    36        FETCH_CONSTANT                                   ~10     'FLAG_1'
         37        FETCH_CONSTANT                                   ~11     'FLAG_4'
         38        BW_AND                                           ~12     ~10, ~11
         39        ASSIGN                                                   !0, ~12
   13    40        FETCH_CONSTANT                                   ~14     'FLAG_1'
         41        BW_AND                                           ~15     !0, ~14
         42        ECHO                                                     ~15
   14    43        FETCH_CONSTANT                                   ~16     'FLAG_2'
         44        BW_AND                                           ~17     !0, ~16
         45        ECHO                                                     ~17
   15    46        FETCH_CONSTANT                                   ~18     'FLAG_1'
         47        BW_OR                                            ~19     !0, ~18
         48        ECHO                                                     ~19
   16    49        FETCH_CONSTANT                                   ~20     'FLAG_1'
         50        BW_AND                                           ~21     !0, ~20
         51      > JMPZ                                                     ~21, ->53
   17    52    >   ECHO                                                     'Flag+1+set.'
   19    53    >   FETCH_CONSTANT                                   ~22     'FLAG_2'
         54        BW_AND                                           ~23     !0, ~22
         55      > JMPZ                                                     ~23, ->57
   20    56    >   ECHO                                                     'Flag+2+set.'
   22    57    >   FETCH_CONSTANT                                   ~24     'FLAG_4'
         58        BW_AND                                           ~25     !0, ~24
         59      > JMPZ                                                     ~25, ->61
   23    60    >   ECHO                                                     'Flag+4+set.'
   25    61    >   FETCH_CONSTANT                                   ~26     'FLAG_1'
         62        FETCH_CONSTANT                                   ~27     'FLAG_4'
         63        BW_OR                                            ~28     ~26, ~27
         64        BW_AND                                           ~29     !0, ~28
         65      > JMPZ                                                     ~29, ->67
   26    66    >   ECHO                                                     'Flag+1+and+4+set.'
   28    67    >   FETCH_CONSTANT                                   ~30     'FLAG_1'
         68        FETCH_CONSTANT                                   ~31     'FLAG_2'
         69        BW_OR                                            ~32     ~30, ~31
         70        FETCH_CONSTANT                                   ~33     'FLAG_4'
         71        BW_OR                                            ~34     ~32, ~33
         72        BW_AND                                           ~35     !0, ~34
         73      > JMPZ                                                     ~35, ->75
   29    74    >   ECHO                                                     'Flag+1%2C+2+and+4+set.'
   30    75    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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