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<?php $result = array(0 => '1'); echo isset($result[0]['foo']) ? 'Yes, it is set.' : 'No, it is not set.'; echo (isset($result['0']['exist'])) ? true : false;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
Branch analysis from position: 13
filename:       /in/pQQB4
function name:  (null)
number of ops:  16
compiled vars:  !0 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        FETCH_DIM_IS                                     ~2      !0, 0
          2        ISSET_ISEMPTY_DIM_OBJ                         0          ~2, 'foo'
          3      > JMPZ                                                     ~3, ->6
          4    >   QM_ASSIGN                                        ~4      'Yes%2C+it+is+set.'
          5      > JMP                                                      ->7
          6    >   QM_ASSIGN                                        ~4      'No%2C+it+is+not+set.'
          7    >   ECHO                                                     ~4
    5     8        FETCH_DIM_IS                                     ~5      !0, 0
          9        ISSET_ISEMPTY_DIM_OBJ                         0          ~5, 'exist'
         10      > JMPZ                                                     ~6, ->13
         11    >   QM_ASSIGN                                        ~7      <true>
         12      > JMP                                                      ->14
         13    >   QM_ASSIGN                                        ~7      <false>
         14    >   ECHO                                                     ~7
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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