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<?php define('asd', 1); define('asd', 2); echo asd;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/u3jjK
function name:  (null)
number of ops:  11
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'define'
          1        SEND_VAL                                                 'asd'
          2        SEND_VAL                                                 1
          3        DO_ICALL                                                 
    4     4        INIT_FCALL                                               'define'
          5        SEND_VAL                                                 'asd'
          6        SEND_VAL                                                 2
          7        DO_ICALL                                                 
    5     8        FETCH_CONSTANT                                   ~2      'asd'
          9        ECHO                                                     ~2
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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