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<?php trait BarTrait { } class FooUsingBarTrait { use BarTrait; } if (trait_exists(BarTrait::class)) { class Foo extends FooUsingBarTrait { } } else { class Foo extends FooNotUsingBarTrait { } } $foo = new Foo(); var_dump( get_class($foo), class_parents(Foo::class) );
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fCLkt
function name:  (null)
number of ops:  20
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   DECLARE_CLASS                                            'foousingbartrait'
   12     1        INIT_FCALL                                               'trait_exists'
          2        SEND_VAL                                                 'BarTrait'
          3        DO_ICALL                                         $1      
          4      > JMPZ                                                     $1, ->7
   13     5    >   DECLARE_CLASS                                            'foo', 'foousingbartrait'
          6      > JMP                                                      ->8
   17     7    >   DECLARE_CLASS                                            'foo', 'foonotusingbartrait'
   22     8    >   NEW                                              $2      'Foo'
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !0, $2
   24    11        INIT_FCALL                                               'var_dump'
   25    12        GET_CLASS                                        ~5      !0
         13        SEND_VAL                                                 ~5
   26    14        INIT_FCALL                                               'class_parents'
         15        SEND_VAL                                                 'Foo'
         16        DO_ICALL                                         $6      
         17        SEND_VAR                                                 $6
         18        DO_ICALL                                                 
   27    19      > RETURN                                                   1

Class BarTrait: [no user functions]
Class FooUsingBarTrait: [no user functions]
Class Foo: [no user functions]
Class Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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