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<?php $null1 = null; var_dump($null1--); $null2 = null; var_dump($null2 - 1); $null3 = null; var_dump(--$null3);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vWWPe
function name:  (null)
number of ops:  16
compiled vars:  !0 = $null1, !1 = $null2, !2 = $null3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, null
    4     1        INIT_FCALL                                               'var_dump'
          2        POST_DEC                                         ~4      !0
          3        SEND_VAL                                                 ~4
          4        DO_ICALL                                                 
    6     5        ASSIGN                                                   !1, null
    7     6        INIT_FCALL                                               'var_dump'
          7        SUB                                              ~7      !1, 1
          8        SEND_VAL                                                 ~7
          9        DO_ICALL                                                 
    9    10        ASSIGN                                                   !2, null
   10    11        INIT_FCALL                                               'var_dump'
         12        PRE_DEC                                          ~10     !2
         13        SEND_VAL                                                 ~10
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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