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<?php class B{} class A extends B{} $a = new A; $b = new B; if($a instanceof $b){ echo 'asdfg'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 10
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/aARWB
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   NEW                                              $2      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    5     3        NEW                                              $5      'B'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $5
    6     6        FETCH_CLASS                                   0  $8      !1
          7        INSTANCEOF                                               !0, $8
          8      > JMPZ                                                     ~9, ->10
    7     9    >   ECHO                                                     'asdfg'
    8    10    > > RETURN                                                   1

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

Generated using Vulcan Logic Dumper, using php 8.0.0


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