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<?php interface StrategyInterface { public function run(); } class Strategy implements StrategyInterface { protected ?string $value = null; private static $counter = 0; public function __construct(private Closure $closure) { echo "Strategy Counter: ", ++self::$counter, PHP_EOL; $this->value = (string)rand(1, 100); } public function run() { $this->closure->call($this); } public function __destruct() { echo "Strategy Counter: ", --self::$counter, PHP_EOL; } } $strategy1 = new Strategy(function () { var_dump($this->value); }); $strategy2 = new Strategy(function () { var_dump($this->value); }); $strategy3 = new Strategy(function () { var_dump($this->value); }); $strategy1->run(); $strategy1 = null; $strategy2->run(); unset($strategy2); $strategy3->run(); $strategy4 = new Strategy(function () { var_dump($this->value); });
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smcDi
function name:  (null)
number of ops:  30
compiled vars:  !0 = $strategy1, !1 = $strategy2, !2 = $strategy3, !3 = $strategy4
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   DECLARE_CLASS                                            'strategy'
   30     1        NEW                                              $4      'Strategy'
          2        DECLARE_LAMBDA_FUNCTION                          ~5      [0]
   32     3        SEND_VAL_EX                                              ~5
   30     4        DO_FCALL                                      0          
          5        ASSIGN                                                   !0, $4
   34     6        NEW                                              $8      'Strategy'
          7        DECLARE_LAMBDA_FUNCTION                          ~9      [1]
   36     8        SEND_VAL_EX                                              ~9
   34     9        DO_FCALL                                      0          
         10        ASSIGN                                                   !1, $8
   38    11        NEW                                              $12     'Strategy'
         12        DECLARE_LAMBDA_FUNCTION                          ~13     [2]
   40    13        SEND_VAL_EX                                              ~13
   38    14        DO_FCALL                                      0          
         15        ASSIGN                                                   !2, $12
   43    16        INIT_METHOD_CALL                                         !0, 'run'
         17        DO_FCALL                                      0          
   44    18        ASSIGN                                                   !0, null
   45    19        INIT_METHOD_CALL                                         !1, 'run'
         20        DO_FCALL                                      0          
   46    21        UNSET_CV                                                 !1
   47    22        INIT_METHOD_CALL                                         !2, 'run'
         23        DO_FCALL                                      0          
   49    24        NEW                                              $20     'Strategy'
         25        DECLARE_LAMBDA_FUNCTION                          ~21     [3]
   51    26        SEND_VAL_EX                                              ~21
   49    27        DO_FCALL                                      0          
         28        ASSIGN                                                   !3, $20
   51    29      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smcDi
function name:  {closure}
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   31     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_THIS                                       $0      
          2        FETCH_OBJ_R                                      ~1      $0, 'value'
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                                 
   32     5      > RETURN                                                   null

End of Dynamic Function 0

Dynamic Function 1
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smcDi
function name:  {closure}
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   35     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_THIS                                       $0      
          2        FETCH_OBJ_R                                      ~1      $0, 'value'
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                                 
   36     5      > RETURN                                                   null

End of Dynamic Function 1

Dynamic Function 2
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smcDi
function name:  {closure}
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   39     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_THIS                                       $0      
          2        FETCH_OBJ_R                                      ~1      $0, 'value'
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                                 
   40     5      > RETURN                                                   null

End of Dynamic Function 2

Dynamic Function 3
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smcDi
function name:  {closure}
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   50     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_THIS                                       $0      
          2        FETCH_OBJ_R                                      ~1      $0, 'value'
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                                 
   51     5      > RETURN                                                   null

End of Dynamic Function 3

Class StrategyInterface:
Function run:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smcDi
function name:  run
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E > > RETURN                                                   null

End of function run

End of class StrategyInterface.

Class Strategy:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smcDi
function name:  __construct
number of ops:  15
compiled vars:  !0 = $closure
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
          1        ASSIGN_OBJ                                               'closure'
          2        OP_DATA                                                  !0
   15     3        ECHO                                                     'Strategy+Counter%3A+'
          4        PRE_INC_STATIC_PROP                              ~1      'counter'
          5        ECHO                                                     ~1
          6        ECHO                                                     '%0A'
   16     7        INIT_FCALL                                               'rand'
          8        SEND_VAL                                                 1
          9        SEND_VAL                                                 100
         10        DO_ICALL                                         $3      
         11        CAST                                          6  ~4      $3
         12        ASSIGN_OBJ                                               'value'
         13        OP_DATA                                                  ~4
   17    14      > RETURN                                                   null

End of function __construct

Function run:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smcDi
function name:  run
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   FETCH_OBJ_R                                      ~0      'closure'
          1        INIT_METHOD_CALL                                         ~0, 'call'
          2        FETCH_THIS                                       $1      
          3        SEND_VAR_EX                                              $1
          4        DO_FCALL                                      0          
   22     5      > RETURN                                                   null

End of function run

Function __destruct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/smcDi
function name:  __destruct
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   26     0  E >   ECHO                                                     'Strategy+Counter%3A+'
          1        PRE_DEC_STATIC_PROP                              ~0      'counter'
          2        ECHO                                                     ~0
          3        ECHO                                                     '%0A'
   27     4      > RETURN                                                   null

End of function __destruct

End of class Strategy.

Generated using Vulcan Logic Dumper, using php 8.0.0


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