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<?php class Point { public function __construct(private int $x, private int $y) {} protected function modClone(...$args): static { $new = clone($this); foreach ($args as $k => $v) { $new->$k = $v; } return $new; } public function moveUp(int $amt) { return $this->modClone(y: $this->y + $amt); } } $p1 = new Point(3, 5); $p2 = $p1->moveUp(4); var_dump($p2);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lg4Ac
function name:  (null)
number of ops:  13
compiled vars:  !0 = $p1, !1 = $p2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   NEW                                              $2      'Point'
          1        SEND_VAL_EX                                              3
          2        SEND_VAL_EX                                              5
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !0, $2
   19     5        INIT_METHOD_CALL                                         !0, 'moveUp'
          6        SEND_VAL_EX                                              4
          7        DO_FCALL                                      0  $5      
          8        ASSIGN                                                   !1, $5
   21     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !1
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Class Point:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lg4Ac
function name:  __construct
number of ops:  7
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        ASSIGN_OBJ                                               'x'
          3        OP_DATA                                                  !0
          4        ASSIGN_OBJ                                               'y'
          5        OP_DATA                                                  !1
          6      > RETURN                                                   null

End of function __construct

Function modclone:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 10
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 10
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/lg4Ac
function name:  modClone
number of ops:  15
compiled vars:  !0 = $args, !1 = $new, !2 = $v, !3 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV_VARIADIC                                    !0      
    7     1        FETCH_THIS                                       ~4      
          2        CLONE                                            ~5      ~4
          3        ASSIGN                                                   !1, ~5
    8     4      > FE_RESET_R                                       $7      !0, ->10
          5    > > FE_FETCH_R                                       ~8      $7, !2, ->10
          6    >   ASSIGN                                                   !3, ~8
    9     7        ASSIGN_OBJ                                               !1, !3
          8        OP_DATA                                                  !2
    8     9      > JMP                                                      ->5
         10    >   FE_FREE                                                  $7
   11    11        VERIFY_RETURN_TYPE                                       !1
         12      > RETURN                                                   !1
   12    13*       VERIFY_RETURN_TYPE                                       
         14*     > RETURN                                                   null

End of function modclone

Function moveup:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lg4Ac
function name:  moveUp
number of ops:  9
compiled vars:  !0 = $amt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   RECV                                             !0      
          1        INIT_METHOD_CALL                                         'modClone'
          2        FETCH_OBJ_R                                      ~1      'y'
          3        ADD                                              ~2      ~1, !0
          4        SEND_VAL_EX                                              ~2, 'y'
          5        CHECK_UNDEF_ARGS                                         
          6        DO_FCALL                                      1  $3      
          7      > RETURN                                                   $3
          8*     > RETURN                                                   null

End of function moveup

End of class Point.

Generated using Vulcan Logic Dumper, using php 8.0.0


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