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<?php function foo() { return new stdclass; } $a= "stdclass"; var_dump(foo() instanceof $a + foo() instanceof $a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/30A7g
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 'stdclass'
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'foo'
          3        DO_FCALL                                      0  $2      
          4        FETCH_CLASS                                   0  $3      !0
          5        INSTANCEOF                                       ~4      $2, $3
          6        INIT_FCALL                                               'foo'
          7        DO_FCALL                                      0  $5      
          8        FETCH_CLASS                                   0  $6      !0
          9        INSTANCEOF                                       ~7      $5, $6
         10        ADD                                              ~8      ~4, ~7
         11        SEND_VAL                                                 ~8
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/30A7g
function name:  foo
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $0      'stdclass'
          1        DO_FCALL                                      0          
          2      > RETURN                                                   $0
          3*     > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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