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<?php $page_class = "whut\n"; echo !isset($page_class) ?: $page_class; unset($page_class); echo !isset($page_class) ?: $page_class;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/76Ht1
function name:  (null)
number of ops:  13
compiled vars:  !0 = $page_class
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'whut%0A'
    4     1        ISSET_ISEMPTY_CV                                 ~2      !0
          2        BOOL_NOT                                         ~3      ~2
          3        JMP_SET                                          ~4      ~3, ->5
          4        QM_ASSIGN                                        ~4      !0
          5        ECHO                                                     ~4
    6     6        UNSET_CV                                                 !0
    7     7        ISSET_ISEMPTY_CV                                 ~5      !0
          8        BOOL_NOT                                         ~6      ~5
          9        JMP_SET                                          ~7      ~6, ->11
         10        QM_ASSIGN                                        ~7      !0
         11        ECHO                                                     ~7
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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