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<?php $mac = "Vikas"; echo "Test $mac. sample"; ?> <?=$mac[0]?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7Yg17
function name:  (null)
number of ops:  9
compiled vars:  !0 = $mac
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'Vikas'
    3     1        ROPE_INIT                                     3  ~3      'Test+'
          2        ROPE_ADD                                      1  ~3      ~3, !0
          3        ROPE_END                                      2  ~2      ~3, '.+sample'
          4        ECHO                                                     ~2
    5     5        ECHO                                                     '%0A'
    6     6        FETCH_DIM_R                                      ~5      !0, 0
          7        ECHO                                                     ~5
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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