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<?php $abc = 'aaa'; echo "$abc&${abc}x$abc-dd$abc:d"; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EFTC5
function name:  (null)
number of ops:  11
compiled vars:  !0 = $abc
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'aaa'
    3     1        ROPE_INIT                                     8  ~3      !0
          2        ROPE_ADD                                      1  ~3      ~3, '%26'
          3        ROPE_ADD                                      2  ~3      ~3, !0
          4        ROPE_ADD                                      3  ~3      ~3, 'x'
          5        ROPE_ADD                                      4  ~3      ~3, !0
          6        ROPE_ADD                                      5  ~3      ~3, '-dd'
          7        ROPE_ADD                                      6  ~3      ~3, !0
          8        ROPE_END                                      7  ~2      ~3, '%3Ad'
          9        ECHO                                                     ~2
    4    10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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