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<?php class A {} class B extends A {} $b = new B(); $a = new A(); var_dump(get_class($b) == 'A'); var_dump(get_class($a) == 'A'); var_dump(is_a($b, 'A') && !is_subclass_of($b, 'A')); var_dump(is_a($a, 'A') && !is_subclass_of($a, 'A'));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 22, Position 2 = 28
Branch analysis from position: 22
2 jumps found. (Code = 46) Position 1 = 36, Position 2 = 42
Branch analysis from position: 36
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 42
Branch analysis from position: 28
filename:       /in/FOriH
function name:  (null)
number of ops:  45
compiled vars:  !0 = $b, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $2      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    8     3        NEW                                              $5      'A'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $5
   10     6        INIT_FCALL                                               'var_dump'
          7        GET_CLASS                                        ~8      !0
          8        IS_EQUAL                                         ~9      ~8, 'A'
          9        SEND_VAL                                                 ~9
         10        DO_ICALL                                                 
   11    11        INIT_FCALL                                               'var_dump'
         12        GET_CLASS                                        ~11     !1
         13        IS_EQUAL                                         ~12     ~11, 'A'
         14        SEND_VAL                                                 ~12
         15        DO_ICALL                                                 
   12    16        INIT_FCALL                                               'var_dump'
         17        INIT_FCALL                                               'is_a'
         18        SEND_VAR                                                 !0
         19        SEND_VAL                                                 'A'
         20        DO_ICALL                                         $14     
         21      > JMPZ_EX                                          ~15     $14, ->28
         22    >   INIT_FCALL                                               'is_subclass_of'
         23        SEND_VAR                                                 !0
         24        SEND_VAL                                                 'A'
         25        DO_ICALL                                         $16     
         26        BOOL_NOT                                         ~17     $16
         27        BOOL                                             ~15     ~17
         28    >   SEND_VAL                                                 ~15
         29        DO_ICALL                                                 
   13    30        INIT_FCALL                                               'var_dump'
         31        INIT_FCALL                                               'is_a'
         32        SEND_VAR                                                 !1
         33        SEND_VAL                                                 'A'
         34        DO_ICALL                                         $19     
         35      > JMPZ_EX                                          ~20     $19, ->42
         36    >   INIT_FCALL                                               'is_subclass_of'
         37        SEND_VAR                                                 !1
         38        SEND_VAL                                                 'A'
         39        DO_ICALL                                         $21     
         40        BOOL_NOT                                         ~22     $21
         41        BOOL                                             ~20     ~22
         42    >   SEND_VAL                                                 ~20
         43        DO_ICALL                                                 
         44      > 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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157.74 ms | 1404 KiB | 19 Q