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<?php $foo = null; $name = 'this'; var_dump(array($$name)); var_dump(array(isset($$name) ? $$name : $$name));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 13
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4DRkl
function name:  (null)
number of ops:  19
compiled vars:  !0 = $foo, !1 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, null
    3     1        ASSIGN                                                   !1, 'this'
    4     2        INIT_FCALL                                               'var_dump'
          3        FETCH_R                      local               ~4      !1
          4        INIT_ARRAY                                       ~5      ~4
          5        SEND_VAL                                                 ~5
          6        DO_ICALL                                                 
    5     7        INIT_FCALL                                               'var_dump'
          8        ISSET_ISEMPTY_VAR                             4          !1
          9      > JMPZ                                                     ~7, ->13
         10    >   FETCH_R                      local               ~8      !1
         11        QM_ASSIGN                                        ~9      ~8
         12      > JMP                                                      ->15
         13    >   FETCH_R                      local               ~10     !1
         14        QM_ASSIGN                                        ~9      ~10
         15    >   INIT_ARRAY                                       ~11     ~9
         16        SEND_VAL                                                 ~11
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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