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<?php class Dummy { public string $prop; public function __set($name, $value) { echo "Property '$name' in undeclared!\n"; $this->$name = $value; } } $dummy = new Dummy; $dummy->prop = 'Hello'; $dummy->prop .= ' world'; echo "{$dummy->prop}\n"; unset($dummy->prop); $dummy->prop = 'Hello'; $dummy->prop .= ' world'; echo "{$dummy->prop}\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0YfXD
function name:  (null)
number of ops:  21
compiled vars:  !0 = $dummy
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   12     0  E >   NEW                                                  $1      'Dummy'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
   14     3        ASSIGN_OBJ                                                   !0, 'prop'
          4        OP_DATA                                                      'Hello'
   15     5        ASSIGN_OBJ_OP                                     8          !0, 'prop'
          6        OP_DATA                                                      '+world'
   16     7        FETCH_OBJ_R                                          ~6      !0, 'prop'
          8        NOP                                                          
          9        FAST_CONCAT                                          ~7      ~6, '%0A'
         10        ECHO                                                         ~7
   18    11        UNSET_OBJ                                                    !0, 'prop'
   20    12        ASSIGN_OBJ                                                   !0, 'prop'
         13        OP_DATA                                                      'Hello'
   21    14        ASSIGN_OBJ_OP                                     8          !0, 'prop'
         15        OP_DATA                                                      '+world'
   22    16        FETCH_OBJ_R                                          ~10     !0, 'prop'
         17        NOP                                                          
         18        FAST_CONCAT                                          ~11     ~10, '%0A'
         19        ECHO                                                         ~11
         20      > RETURN                                                       1

Class Dummy:
Function __set:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0YfXD
function name:  __set
number of ops:  9
compiled vars:  !0 = $name, !1 = $value
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   RECV                                                 !0      
          1        RECV                                                 !1      
    7     2        ROPE_INIT                                         3  ~3      'Property+%27'
          3        ROPE_ADD                                          1  ~3      ~3, !0
          4        ROPE_END                                          2  ~2      ~3, '%27+in+undeclared%21%0A'
          5        ECHO                                                         ~2
    8     6        ASSIGN_OBJ                                                   !0
          7        OP_DATA                                                      !1
    9     8      > RETURN                                                       null

End of function __set

End of class Dummy.

Generated using Vulcan Logic Dumper, using php 8.5.0


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