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<?php class Foo {} class_alias('Foo', '0'); $className = '0'; var_dump(class_exists('0')); var_dump(new $className);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BhJqk
function name:  (null)
number of ops:  16
compiled vars:  !0 = $className
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                                   'class_alias'
          1        SEND_VAL                                                     'Foo'
          2        SEND_VAL                                                     '0'
          3        DO_ICALL                                                     
    7     4        ASSIGN                                                       !0, '0'
    9     5        INIT_FCALL                                                   'var_dump'
          6        FRAMELESS_ICALL_1                class_exists        ~3      '0'
          7        SEND_VAL                                                     ~3
          8        DO_ICALL                                                     
   10     9        INIT_FCALL                                                   'var_dump'
         10        FETCH_CLASS                                       0  $5      !0
         11        NEW                                                  $6      $5
         12        DO_FCALL                                          0          
         13        SEND_VAR                                                     $6
         14        DO_ICALL                                                     
         15      > RETURN                                                       1

Class Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.5.0


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