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

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