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<?php class A{ protected $stuff; function check(){ var_dump(property_exists($this, 'stuff')); var_dump($this->stuff); } } $a = new A; unset($a->stuff); $a->check();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JR8qZ
function name:  (null)
number of ops:  7
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   NEW                                              $1      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   13     3        UNSET_OBJ                                                !0, 'stuff'
   14     4        INIT_METHOD_CALL                                         !0, 'check'
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Class A:
Function check:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JR8qZ
function name:  check
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'property_exists'
          2        FETCH_THIS                                       ~0      
          3        SEND_VAL                                                 ~0
          4        SEND_VAL                                                 'stuff'
          5        DO_ICALL                                         $1      
          6        SEND_VAR                                                 $1
          7        DO_ICALL                                                 
    8     8        INIT_FCALL                                               'var_dump'
          9        FETCH_OBJ_R                                      ~3      'stuff'
         10        SEND_VAL                                                 ~3
         11        DO_ICALL                                                 
    9    12      > RETURN                                                   null

End of function check

End of class A.

Generated using Vulcan Logic Dumper, using php 8.0.0


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