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<?php class Foo {}; class Bar extends Foo {}; $reflection_foo = new ReflectionClass(Foo::class); $testClass = function($class) use ($reflection_foo) { $reflection = new ReflectionClass($class); return $reflection->isSubclassOf(Foo::class) || ($reflection->getName() == $reflection_Foo->getName()); }; var_dump($testClass(Foo::class), $testClass(Bar::class));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6sqlv
function name:  (null)
number of ops:  18
compiled vars:  !0 = $reflection_foo, !1 = $testClass
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   NEW                                              $2      'ReflectionClass'
          1        SEND_VAL_EX                                              'Foo'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    7     4        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F6sqlv%3A7%240'
          5        BIND_LEXICAL                                             ~5, !0
          6        ASSIGN                                                   !1, ~5
   13     7        INIT_FCALL                                               'var_dump'
          8        INIT_DYNAMIC_CALL                                        !1
          9        SEND_VAL_EX                                              'Foo'
         10        DO_FCALL                                      0  $7      
         11        SEND_VAR                                                 $7
         12        INIT_DYNAMIC_CALL                                        !1
         13        SEND_VAL_EX                                              'Bar'
         14        DO_FCALL                                      0  $8      
         15        SEND_VAR                                                 $8
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2F6sqlv%3A7%240:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 10, Position 2 = 16
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
filename:       /in/6sqlv
function name:  {closure}
number of ops:  18
compiled vars:  !0 = $class, !1 = $reflection_foo, !2 = $reflection, !3 = $reflection_Foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
    8     2        NEW                                              $4      'ReflectionClass'
          3        SEND_VAR_EX                                              !0
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !2, $4
   10     6        INIT_METHOD_CALL                                         !2, 'isSubclassOf'
          7        SEND_VAL_EX                                              'Foo'
          8        DO_FCALL                                      0  $7      
          9      > JMPNZ_EX                                         ~8      $7, ->16
         10    >   INIT_METHOD_CALL                                         !2, 'getName'
         11        DO_FCALL                                      0  $9      
         12        INIT_METHOD_CALL                                         !3, 'getName'
         13        DO_FCALL                                      0  $10     
         14        IS_EQUAL                                         ~11     $9, $10
         15        BOOL                                             ~8      ~11
         16    > > RETURN                                                   ~8
   11    17*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F6sqlv%3A7%240

Class Foo: [no user functions]
Class Bar: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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