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<?php $a = array(); echo isempty($a['my']); echo isset($a['my']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6B6I8
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL_BY_NAME                                       'isempty'
          2        CHECK_FUNC_ARG                                           
          3        FETCH_DIM_FUNC_ARG                               $2      !0, 'my'
          4        SEND_FUNC_ARG                                            $2
          5        DO_FCALL                                      0  $3      
          6        ECHO                                                     $3
    4     7        ISSET_ISEMPTY_DIM_OBJ                         0  ~4      !0, 'my'
          8        ECHO                                                     ~4
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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