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<?php pathinfo(test.txt, PATHINFO_EXTENSION);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UmlR5
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'pathinfo'
          1        FETCH_CONSTANT                                   ~0      'test'
          2        FETCH_CONSTANT                                   ~1      'txt'
          3        CONCAT                                           ~2      ~0, ~1
          4        SEND_VAL                                                 ~2
          5        SEND_VAL                                                 4
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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