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<?php $a['a'] = 'xxxxxxxxxxxxxxxxxx'; $a['a']['b'] = 'yyyyyyyyyyyyyyyy'; var_dump(isset($a['a']['c']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dKUYo
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN_DIM                                               !0, 'a'
          1        OP_DATA                                                  'xxxxxxxxxxxxxxxxxx'
    3     2        FETCH_DIM_W                                      $2      !0, 'a'
          3        ASSIGN_DIM                                               $2, 'b'
          4        OP_DATA                                                  'yyyyyyyyyyyyyyyy'
    4     5        INIT_FCALL                                               'var_dump'
          6        FETCH_DIM_IS                                     ~4      !0, 'a'
          7        ISSET_ISEMPTY_DIM_OBJ                         0  ~5      ~4, 'c'
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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