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<?php $xml = new \SimpleXMLElement('<foo>aaa</foo>'); var_dump(++$xml[0]); $xml = new \SimpleXMLElement('<foo>aaa</foo>'); var_dump(--$xml[0]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DVmtc
function name:  (null)
number of ops:  19
compiled vars:  !0 = $xml
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'SimpleXMLElement'
          1        SEND_VAL_EX                                              '%3Cfoo%3Eaaa%3C%2Ffoo%3E'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    4     4        INIT_FCALL                                               'var_dump'
          5        FETCH_DIM_RW                                     $4      !0, 0
          6        PRE_INC                                          ~5      $4
          7        SEND_VAL                                                 ~5
          8        DO_ICALL                                                 
    6     9        NEW                                              $7      'SimpleXMLElement'
         10        SEND_VAL_EX                                              '%3Cfoo%3Eaaa%3C%2Ffoo%3E'
         11        DO_FCALL                                      0          
         12        ASSIGN                                                   !0, $7
    7    13        INIT_FCALL                                               'var_dump'
         14        FETCH_DIM_RW                                     $10     !0, 0
         15        PRE_DEC                                          ~11     $10
         16        SEND_VAL                                                 ~11
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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