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<?php namespace Foo; function autocreate($classname) { if (substr($classname, -strlen('Exception')) == 'Exception') eval('class ' . $classname . ' extends Exception {};'); } spl_autoload_register('Foo/autocreate'); $x = new TestException(); var_dump(get_class($x)); $x = new Foo\TestException(); var_dump(get_class($x));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XdQfJ
function name:  (null)
number of ops:  22
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_NS_FCALL_BY_NAME                                    'Foo%5Cspl_autoload_register'
          1        SEND_VAL_EX                                              'Foo%2Fautocreate'
          2        DO_FCALL                                      0          
   13     3        NEW                                              $2      'Foo%5CTestException'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !0, $2
   15     6        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cvar_dump'
          7        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cget_class'
          8        SEND_VAR_EX                                              !0
          9        DO_FCALL                                      0  $5      
         10        SEND_VAR_NO_REF_EX                                       $5
         11        DO_FCALL                                      0          
   17    12        NEW                                              $7      'Foo%5CFoo%5CTestException'
         13        DO_FCALL                                      0          
         14        ASSIGN                                                   !0, $7
   19    15        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cvar_dump'
         16        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cget_class'
         17        SEND_VAR_EX                                              !0
         18        DO_FCALL                                      0  $10     
         19        SEND_VAR_NO_REF_EX                                       $10
         20        DO_FCALL                                      0          
         21      > RETURN                                                   1

Function foo%5Cautocreate:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 14
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/XdQfJ
function name:  Foo\autocreate
number of ops:  15
compiled vars:  !0 = $classname
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
    6     1        INIT_NS_FCALL_BY_NAME                                    'Foo%5Csubstr'
          2        SEND_VAR_EX                                              !0
          3        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cstrlen'
          4        SEND_VAL_EX                                              'Exception'
          5        DO_FCALL                                      0  $1      
          6        MUL                                              ~2      $1, -1
          7        SEND_VAL_EX                                              ~2
          8        DO_FCALL                                      0  $3      
          9        IS_EQUAL                                                 $3, 'Exception'
         10      > JMPZ                                                     ~4, ->14
    7    11    >   CONCAT                                           ~5      'class+', !0
         12        CONCAT                                           ~6      ~5, '+extends+Exception+%7B%7D%3B'
         13        INCLUDE_OR_EVAL                                          ~6, EVAL
    8    14    > > RETURN                                                   null

End of function foo%5Cautocreate

Generated using Vulcan Logic Dumper, using php 8.0.0


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