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<?php $o = new stdClass(); $o->var = 123; $new_o = $o; //等于$new_o = & $o; unset($new_o); var_dump($o);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HffWq
function name:  (null)
number of ops:  11
compiled vars:  !0 = $o, !1 = $new_o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    3     3        ASSIGN_OBJ                                               !0, 'var'
          4        OP_DATA                                                  123
    4     5        ASSIGN                                                   !1, !0
    5     6        UNSET_CV                                                 !1
    6     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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