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<?php $fruitpacks = [ ['apples', 3], ['pears', 1], ['apples', 6], ['grapes', 22], ]; final class Basket { private $items; private function __construct(array $items) { $this->items = $items; } public function add(string $name, int $quantity) : self { return new self([$name => $quantity + ($this->items[$name] ?? 0)] + $this->items); } public function asArray() : array { return $this->items; } public static function empty() : self { return new self([]); } public static function addToBasket(self $basket, array $item) : self { return $basket->add(...$item); } } var_dump(array_reduce($fruitpacks, [Basket::class, 'addToBasket'], Basket::empty())->asArray());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5Sh04
function name:  (null)
number of ops:  14
compiled vars:  !0 = $fruitpacks
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   28     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_reduce'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 <array>
          5        INIT_STATIC_METHOD_CALL                                  'Basket', 'empty'
          6        DO_FCALL                                      0  $2      
          7        SEND_VAR                                                 $2
          8        DO_ICALL                                         $3      
          9        INIT_METHOD_CALL                                         $3, 'asArray'
         10        DO_FCALL                                      0  $4      
         11        SEND_VAR                                                 $4
         12        DO_ICALL                                                 
   29    13      > RETURN                                                   1

Class Basket:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5Sh04
function name:  __construct
number of ops:  4
compiled vars:  !0 = $items
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
          1        ASSIGN_OBJ                                               'items'
          2        OP_DATA                                                  !0
          3      > RETURN                                                   null

End of function __construct

Function add:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5Sh04
function name:  add
number of ops:  17
compiled vars:  !0 = $name, !1 = $quantity
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   16     2        NEW                          self                $2      
          3        FETCH_OBJ_IS                                     ~3      'items'
          4        FETCH_DIM_IS                                     ~4      ~3, !0
          5        COALESCE                                         ~5      ~4
          6        QM_ASSIGN                                        ~5      0
          7        ADD                                              ~6      !1, ~5
          8        INIT_ARRAY                                       ~7      ~6, !0
          9        FETCH_OBJ_R                                      ~8      'items'
         10        ADD                                              ~9      ~7, ~8
         11        SEND_VAL_EX                                              ~9
         12        DO_FCALL                                      0          
         13        VERIFY_RETURN_TYPE                                       $2
         14      > RETURN                                                   $2
   17    15*       VERIFY_RETURN_TYPE                                       
         16*     > RETURN                                                   null

End of function add

Function asarray:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5Sh04
function name:  asArray
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   FETCH_OBJ_R                                      ~0      'items'
          1        VERIFY_RETURN_TYPE                                       ~0
          2      > RETURN                                                   ~0
          3*       VERIFY_RETURN_TYPE                                       
          4*     > RETURN                                                   null

End of function asarray

Function empty:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5Sh04
function name:  empty
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   NEW                          self                $0      
          1        SEND_VAL_EX                                              <array>
          2        DO_FCALL                                      0          
          3        VERIFY_RETURN_TYPE                                       $0
          4      > RETURN                                                   $0
          5*       VERIFY_RETURN_TYPE                                       
          6*     > RETURN                                                   null

End of function empty

Function addtobasket:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5Sh04
function name:  addToBasket
number of ops:  10
compiled vars:  !0 = $basket, !1 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   23     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   24     2        INIT_METHOD_CALL                                         !0, 'add'
          3        SEND_UNPACK                                              !1
          4        CHECK_UNDEF_ARGS                                         
          5        DO_FCALL                                      1  $2      
          6        VERIFY_RETURN_TYPE                                       $2
          7      > RETURN                                                   $2
   25     8*       VERIFY_RETURN_TYPE                                       
          9*     > RETURN                                                   null

End of function addtobasket

End of class Basket.

Generated using Vulcan Logic Dumper, using php 8.0.0


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