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<?php $x = new stdObject; $x->a = 1; echo (int) ($x->a instanceof ArrayObject);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4o7PS
function name:  (null)
number of ops:  10
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'stdObject'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    4     3        ASSIGN_OBJ                                               !0, 'a'
          4        OP_DATA                                                  1
    6     5        FETCH_OBJ_R                                      ~5      !0, 'a'
          6        INSTANCEOF                                       ~6      ~5, 'ArrayObject'
          7        CAST                                          4  ~7      ~6
          8        ECHO                                                     ~7
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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