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<?php echo chunk_split(str_replace('whodrug_', '','whodrug_2003q4'), 4, ' ');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/a7lVt
function name:  (null)
number of ops:  12
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'chunk_split'
          1        INIT_FCALL                                               'str_replace'
          2        SEND_VAL                                                 'whodrug_'
          3        SEND_VAL                                                 ''
          4        SEND_VAL                                                 'whodrug_2003q4'
          5        DO_ICALL                                         $0      
          6        SEND_VAR                                                 $0
          7        SEND_VAL                                                 4
          8        SEND_VAL                                                 '+'
          9        DO_ICALL                                         $1      
         10        ECHO                                                     $1
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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