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<?php $x=array(); $x['a'] = 3; print (isset($x['b']['c']['d']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GCg5e
function name:  (null)
number of ops:  8
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN_DIM                                               !0, 'a'
          2        OP_DATA                                                  3
    6     3        FETCH_DIM_IS                                     ~3      !0, 'b'
          4        FETCH_DIM_IS                                     ~4      ~3, 'c'
          5        ISSET_ISEMPTY_DIM_OBJ                         0  ~5      ~4, 'd'
          6        ECHO                                                     ~5
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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