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<?php if (!defined('__DIR__')) { class __FILE_CLASS__ { function __toString() { $X = debug_backtrace(); return dirname($X[1]['file']); } } define('__DIR__', new __FILE_CLASS__); } var_dump(__DIR__);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 10
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/0rEnK
function name:  (null)
number of ops:  14
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   DEFINED                                          ~0      '__DIR__'
          1        BOOL_NOT                                         ~1      ~0
          2      > JMPZ                                                     ~1, ->10
    3     3    >   DECLARE_CLASS                                            '__file_class__'
    9     4        INIT_FCALL                                               'define'
          5        SEND_VAL                                                 '__DIR__'
          6        NEW                                              $2      '__FILE_CLASS__'
          7        DO_FCALL                                      0          
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                                 
   11    10    >   INIT_FCALL                                               'var_dump'
         11        SEND_VAL                                                 '%2Fin'
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Class __FILE_CLASS__:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0rEnK
function name:  __toString
number of ops:  12
compiled vars:  !0 = $X
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                               'debug_backtrace'
          1        DO_ICALL                                         $1      
          2        ASSIGN                                                   !0, $1
    6     3        INIT_FCALL                                               'dirname'
          4        FETCH_DIM_R                                      ~3      !0, 1
          5        FETCH_DIM_R                                      ~4      ~3, 'file'
          6        SEND_VAL                                                 ~4
          7        DO_ICALL                                         $5      
          8        VERIFY_RETURN_TYPE                                       $5
          9      > RETURN                                                   $5
    7    10*       VERIFY_RETURN_TYPE                                       
         11*     > RETURN                                                   null

End of function __tostring

End of class __FILE_CLASS__.

Generated using Vulcan Logic Dumper, using php 8.0.0


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