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<?php var_dump(unpack('C', pack('C', -2))[1]); var_dump(unpack('c', pack('c', -2))[1]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PBDUM
function name:  (null)
number of ops:  25
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'unpack'
          2        SEND_VAL                                                 'C'
          3        INIT_FCALL                                               'pack'
          4        SEND_VAL                                                 'C'
          5        SEND_VAL                                                 -2
          6        DO_ICALL                                         $0      
          7        SEND_VAR                                                 $0
          8        DO_ICALL                                         $1      
          9        FETCH_DIM_R                                      ~2      $1, 1
         10        SEND_VAL                                                 ~2
         11        DO_ICALL                                                 
    4    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'unpack'
         14        SEND_VAL                                                 'c'
         15        INIT_FCALL                                               'pack'
         16        SEND_VAL                                                 'c'
         17        SEND_VAL                                                 -2
         18        DO_ICALL                                         $4      
         19        SEND_VAR                                                 $4
         20        DO_ICALL                                         $5      
         21        FETCH_DIM_R                                      ~6      $5, 1
         22        SEND_VAL                                                 ~6
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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