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<?php class House { /** * @var string */ private $size; public function __construct(string $size) { $this->size = $size; } public function getSize() : string { return $this->size; } public function withSize(string $newSize) : House { $clone = clone $this; $clone->size = $newSize; //note that $size field had to be changed to public return $clone; } } $house = new House('small'); $bigHouse = $house->withSize('big'); echo $house->getSize();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2DjbP
function name:  (null)
number of ops:  12
compiled vars:  !0 = $house, !1 = $bigHouse
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   24     0  E >   NEW                                                  $2      'House'
          1        SEND_VAL_EX                                                  'small'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $2
   25     4        INIT_METHOD_CALL                                             !0, 'withSize'
          5        SEND_VAL_EX                                                  'big'
          6        DO_FCALL                                          0  $5      
          7        ASSIGN                                                       !1, $5
   27     8        INIT_METHOD_CALL                                             !0, 'getSize'
          9        DO_FCALL                                          0  $7      
         10        ECHO                                                         $7
         11      > RETURN                                                       1

Class House:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2DjbP
function name:  __construct
number of ops:  4
compiled vars:  !0 = $size
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   RECV                                                 !0      
   10     1        ASSIGN_OBJ                                                   'size'
          2        OP_DATA                                                      !0
   11     3      > RETURN                                                       null

End of function __construct

Function getsize:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2DjbP
function name:  getSize
number of ops:  5
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   14     0  E >   FETCH_OBJ_R                                          ~0      'size'
          1        VERIFY_RETURN_TYPE                                           ~0
          2      > RETURN                                                       ~0
   15     3*       VERIFY_RETURN_TYPE                                           
          4*     > RETURN                                                       null

End of function getsize

Function withsize:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2DjbP
function name:  withSize
number of ops:  10
compiled vars:  !0 = $newSize, !1 = $clone
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   17     0  E >   RECV                                                 !0      
   18     1        FETCH_THIS                                           ~2      
          2        CLONE                                                ~3      ~2
          3        ASSIGN                                                       !1, ~3
   19     4        ASSIGN_OBJ                                                   !1, 'size'
          5        OP_DATA                                                      !0
   20     6        VERIFY_RETURN_TYPE                                           !1
          7      > RETURN                                                       !1
   21     8*       VERIFY_RETURN_TYPE                                           
          9*     > RETURN                                                       null

End of function withsize

End of class House.

Generated using Vulcan Logic Dumper, using php 8.5.0


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