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<?php $a = "0x80" + 0; var_dump(base_convert($a, 16, 2),$a); printf("%b",$a); echo "\n\n"; $b = -$a; var_dump(base_convert($b, 16, 2), $b); printf("%b", $b); echo "\n"; $c = 100; $d = ~$c; var_dump($c,$d); echo $c + $d; echo "\n\n"; $a = 0x80; var_dump($a,base_convert($a, 16, 2)); var_dump( hexdec("0x80") );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GvWS0
function name:  (null)
number of ops:  59
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ADD                                              ~4      '0x80', 0
          1        ASSIGN                                                   !0, ~4
    3     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'base_convert'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 16
          6        SEND_VAL                                                 2
          7        DO_ICALL                                         $6      
          8        SEND_VAR                                                 $6
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
    4    11        INIT_FCALL                                               'printf'
         12        SEND_VAL                                                 '%25b'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                                 
    5    15        ECHO                                                     '%0A%0A'
    6    16        MUL                                              ~9      !0, -1
         17        ASSIGN                                                   !1, ~9
    7    18        INIT_FCALL                                               'var_dump'
         19        INIT_FCALL                                               'base_convert'
         20        SEND_VAR                                                 !1
         21        SEND_VAL                                                 16
         22        SEND_VAL                                                 2
         23        DO_ICALL                                         $11     
         24        SEND_VAR                                                 $11
         25        SEND_VAR                                                 !1
         26        DO_ICALL                                                 
    8    27        INIT_FCALL                                               'printf'
         28        SEND_VAL                                                 '%25b'
         29        SEND_VAR                                                 !1
         30        DO_ICALL                                                 
    9    31        ECHO                                                     '%0A'
   10    32        ASSIGN                                                   !2, 100
   11    33        BW_NOT                                           ~15     !2
         34        ASSIGN                                                   !3, ~15
   12    35        INIT_FCALL                                               'var_dump'
         36        SEND_VAR                                                 !2
         37        SEND_VAR                                                 !3
         38        DO_ICALL                                                 
   13    39        ADD                                              ~18     !2, !3
         40        ECHO                                                     ~18
   15    41        ECHO                                                     '%0A%0A'
   16    42        ASSIGN                                                   !0, 128
   17    43        INIT_FCALL                                               'var_dump'
         44        SEND_VAR                                                 !0
         45        INIT_FCALL                                               'base_convert'
         46        SEND_VAR                                                 !0
         47        SEND_VAL                                                 16
         48        SEND_VAL                                                 2
         49        DO_ICALL                                         $20     
         50        SEND_VAR                                                 $20
         51        DO_ICALL                                                 
   18    52        INIT_FCALL                                               'var_dump'
         53        INIT_FCALL                                               'hexdec'
         54        SEND_VAL                                                 '0x80'
         55        DO_ICALL                                         $22     
         56        SEND_VAR                                                 $22
         57        DO_ICALL                                                 
         58      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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