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<?php class A { } class B extends A { } $b = new B(); var_dump($a instanceof A); var_dump($b instanceof B);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JMmWI
function name:  (null)
number of ops:  12
compiled vars:  !0 = $b, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   NEW                                              $2      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   10     3        INIT_FCALL                                               'var_dump'
          4        INSTANCEOF                                       ~5      !1, 'A'
          5        SEND_VAL                                                 ~5
          6        DO_ICALL                                                 
   11     7        INIT_FCALL                                               'var_dump'
          8        INSTANCEOF                                       ~7      !0, 'B'
          9        SEND_VAL                                                 ~7
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Class A: [no user functions]
Class B: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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