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<?php echo ("0x15" + 1); echo ("0x" . dechex(15) + 1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/sr9em
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ADD                                              ~0      '0x15', 1
          1        ECHO                                                     ~0
    3     2        INIT_FCALL                                               'dechex'
          3        SEND_VAL                                                 15
          4        DO_ICALL                                         $1      
          5        ADD                                              ~2      $1, 1
          6        CONCAT                                           ~3      '0x', ~2
          7        ECHO                                                     ~3
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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