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<?php $undef; $nothing = $undef; var_dump($nothing); debug_zval_dump('undef'); debug_zval_dump('nothing');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jGguE
function name:  (null)
number of ops:  11
compiled vars:  !0 = $undef, !1 = $nothing
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !1, !0
    5     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !1
          3        DO_ICALL                                                 
    6     4        INIT_FCALL                                               'debug_zval_dump'
          5        SEND_VAL                                                 'undef'
          6        DO_ICALL                                                 
    7     7        INIT_FCALL                                               'debug_zval_dump'
          8        SEND_VAL                                                 'nothing'
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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