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<?php $class = NonExistentClass::class; var_dump( class_exists($class) ); new $class();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Yob61
function name:  (null)
number of ops:  12
compiled vars:  !0 = $class
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'NonExistentClass'
    5     1        INIT_FCALL                                               'var_dump'
    6     2        INIT_FCALL                                               'class_exists'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                                 
    9     7        FETCH_CLASS                                   0  $4      !0
          8        NEW                                              $5      $4
          9        DO_FCALL                                      0          
         10        FREE                                                     $5
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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