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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); $flags = FLAG_1 & FLAG_4; if ($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 = 43, Position 2 = 44
Branch analysis from position: 43
2 jumps found. (Code = 43) Position 1 = 47, Position 2 = 48
Branch analysis from position: 47
2 jumps found. (Code = 43) Position 1 = 51, Position 2 = 52
Branch analysis from position: 51
2 jumps found. (Code = 43) Position 1 = 57, Position 2 = 58
Branch analysis from position: 57
2 jumps found. (Code = 43) Position 1 = 65, Position 2 = 66
Branch analysis from position: 65
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 66
Branch analysis from position: 58
Branch analysis from position: 52
Branch analysis from position: 48
Branch analysis from position: 44
filename:       /in/5KA1e
function name:  (null)
number of ops:  67
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      > JMPZ                                                     ~15, ->44
   14    43    >   ECHO                                                     'Flag+1+set.'
   16    44    >   FETCH_CONSTANT                                   ~16     'FLAG_2'
         45        BW_AND                                           ~17     !0, ~16
         46      > JMPZ                                                     ~17, ->48
   17    47    >   ECHO                                                     'Flag+2+set.'
   19    48    >   FETCH_CONSTANT                                   ~18     'FLAG_4'
         49        BW_AND                                           ~19     !0, ~18
         50      > JMPZ                                                     ~19, ->52
   20    51    >   ECHO                                                     'Flag+4+set.'
   22    52    >   FETCH_CONSTANT                                   ~20     'FLAG_1'
         53        FETCH_CONSTANT                                   ~21     'FLAG_4'
         54        BW_OR                                            ~22     ~20, ~21
         55        BW_AND                                           ~23     !0, ~22
         56      > JMPZ                                                     ~23, ->58
   23    57    >   ECHO                                                     'Flag+1+and+4+set.'
   25    58    >   FETCH_CONSTANT                                   ~24     'FLAG_1'
         59        FETCH_CONSTANT                                   ~25     'FLAG_2'
         60        BW_OR                                            ~26     ~24, ~25
         61        FETCH_CONSTANT                                   ~27     'FLAG_4'
         62        BW_OR                                            ~28     ~26, ~27
         63        BW_AND                                           ~29     !0, ~28
         64      > JMPZ                                                     ~29, ->66
   26    65    >   ECHO                                                     'Flag+1%2C+2+and+4+set.'
   27    66    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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