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<?php interface IInterface { } class TheClass implements IInterface { } class TheClass2 extends TheClass { } $cls = new TheClass2(); if ($cls instanceof IInterface) echo "yes";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 8
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/BVHSM
function name:  (null)
number of ops:  9
compiled vars:  !0 = $cls
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   DECLARE_CLASS                                            'theclass'
   11     1        DECLARE_CLASS                                            'theclass2', 'theclass'
   16     2        NEW                                              $1      'TheClass2'
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !0, $1
   17     5        INSTANCEOF                                               !0, 'IInterface'
          6      > JMPZ                                                     ~4, ->8
          7    >   ECHO                                                     'yes'
          8    > > RETURN                                                   1

Class IInterface: [no user functions]
Class TheClass: [no user functions]
Class TheClass2: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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148.26 ms | 1384 KiB | 13 Q