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<?php class Foo { private const BAR = 42; } $r = new ReflectionClass(Foo::class); var_dump( $r->getReflectionConstants(), $r->getReflectionConstant('BAR')->isPrivate() );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pgvAo
function name:  (null)
number of ops:  16
compiled vars:  !0 = $r
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   NEW                                              $1      'ReflectionClass'
          1        SEND_VAL_EX                                              'Foo'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   10     4        INIT_FCALL                                               'var_dump'
   11     5        INIT_METHOD_CALL                                         !0, 'getReflectionConstants'
          6        DO_FCALL                                      0  $4      
          7        SEND_VAR                                                 $4
   12     8        INIT_METHOD_CALL                                         !0, 'getReflectionConstant'
          9        SEND_VAL_EX                                              'BAR'
         10        DO_FCALL                                      0  $5      
         11        INIT_METHOD_CALL                                         $5, 'isPrivate'
         12        DO_FCALL                                      0  $6      
         13        SEND_VAR                                                 $6
         14        DO_ICALL                                                 
   13    15      > RETURN                                                   1

Class Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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