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<?php $a = "a"; echo $b = "$a"+1; echo gettype($b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/l97Td
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'a'
    3     1        CAST                                          6  ~3      !0
          2        ADD                                              ~4      ~3, 1
          3        ASSIGN                                           ~5      !1, ~4
          4        ECHO                                                     ~5
          5        GET_TYPE                                         ~6      !1
          6        ECHO                                                     ~6
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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