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<?php $a[3][10] = null; if(isset($a[3][10])) { echo 'Isset'; } else { echo 'No'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5nq5Y
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   FETCH_DIM_W                                      $1      !0, 3
          1        ASSIGN_DIM                                               $1, 10
          2        OP_DATA                                                  null
    5     3        FETCH_DIM_IS                                     ~3      !0, 3
          4        ISSET_ISEMPTY_DIM_OBJ                         0          ~3, 10
          5      > JMPZ                                                     ~4, ->8
    6     6    >   ECHO                                                     'Isset'
          7      > JMP                                                      ->9
    8     8    >   ECHO                                                     'No'
    9     9    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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