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<?php namespace Foo\Space { class Foo { const SOME_CONSTANT = 'Works!'; } } namespace Other\Space { $class = \Foo\Space\Foo::class; $constant = 'SOME_CONSTANT'; // Valid var_dump(constant("{$class}::{$constant}")); // Invalid var_dump(($class)::$constant); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mT7NM
function name:  (null)
number of ops:  18
compiled vars:  !0 = $class, !1 = $constant
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   ASSIGN                                                   !0, 'Foo%5CSpace%5CFoo'
   14     1        ASSIGN                                                   !1, 'SOME_CONSTANT'
   17     2        INIT_NS_FCALL_BY_NAME                                    'Other%5CSpace%5Cvar_dump'
          3        INIT_NS_FCALL_BY_NAME                                    'Other%5CSpace%5Cconstant'
          4        ROPE_INIT                                     3  ~5      !0
          5        ROPE_ADD                                      1  ~5      ~5, '%3A%3A'
          6        ROPE_END                                      2  ~4      ~5, !1
          7        SEND_VAL_EX                                              ~4
          8        DO_FCALL                                      0  $7      
          9        SEND_VAR_NO_REF_EX                                       $7
         10        DO_FCALL                                      0          
   20    11        INIT_NS_FCALL_BY_NAME                                    'Other%5CSpace%5Cvar_dump'
         12        CHECK_FUNC_ARG                                           
         13        FETCH_CLASS                                   0  $9      !0
         14        FETCH_STATIC_PROP_FUNC_ARG   unknown             $10     'constant'
         15        SEND_FUNC_ARG                                            $10
         16        DO_FCALL                                      0          
   21    17      > RETURN                                                   1

Class Foo\Space\Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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