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<?php $string = 'stdclass'; $foo = new $string; var_dump($foo);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QKJQ5
function name:  (null)
number of ops:  9
compiled vars:  !0 = $string, !1 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'stdclass'
    3     1        FETCH_CLASS                                   0  $3      !0
          2        NEW                                              $4      $3
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !1, $4
    5     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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