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<?php // objects, closures, stdClass, clone $closures = array(); $simple_closure = function() { return $this->msg;}; for ($x=0; $x < 2; $x++) { $closures[$x] = $simple_closure; } $obj1 = new stdClass; $obj1->msg = "Top of the morning\n"; $obj1->getEveningMessage = function () { return "Some enchanted and lovely summer evening ...\n"; }; $obj1->getClosure = function() { return $obj1->getEveningMessage; }; $obj2 = clone($obj1); $obj2->msg = "Happy Days!\n"; $c1 = Closure::bind($closures[0], $obj1); $c2 = Closure::bind($closures[1], $obj2); echo $c1(); echo $c2(); $first = $obj1->getClosure; echo $first(); echo call_user_func($first); echo $obj1->getClosure->__invoke();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 5
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 5
Branch analysis from position: 10
Branch analysis from position: 5
filename:       /in/XF2na
function name:  (null)
number of ops:  56
compiled vars:  !0 = $closures, !1 = $simple_closure, !2 = $x, !3 = $obj1, !4 = $obj2, !5 = $c1, !6 = $c2, !7 = $first
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
    6     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FXF2na%3A6%240'
          2        ASSIGN                                                   !1, ~9
    8     3        ASSIGN                                                   !2, 0
          4      > JMP                                                      ->8
    9     5    >   ASSIGN_DIM                                               !0, !2
          6        OP_DATA                                                  !1
    8     7        PRE_INC                                                  !2
          8    >   IS_SMALLER                                               !2, 2
          9      > JMPNZ                                                    ~14, ->5
   12    10    >   NEW                                              $15     'stdClass'
         11        DO_FCALL                                      0          
         12        ASSIGN                                                   !3, $15
   13    13        ASSIGN_OBJ                                               !3, 'msg'
         14        OP_DATA                                                  'Top+of+the+morning%0A'
   14    15        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FXF2na%3A14%241'
         16        ASSIGN_OBJ                                               !3, 'getEveningMessage'
         17        OP_DATA                                                  ~20
   15    18        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FXF2na%3A15%242'
         19        ASSIGN_OBJ                                               !3, 'getClosure'
         20        OP_DATA                                                  ~22
   17    21        CLONE                                            ~23     !3
         22        ASSIGN                                                   !4, ~23
   18    23        ASSIGN_OBJ                                               !4, 'msg'
         24        OP_DATA                                                  'Happy+Days%21%0A'
   21    25        INIT_STATIC_METHOD_CALL                                  'Closure', 'bind'
         26        FETCH_DIM_R                                      ~26     !0, 0
         27        SEND_VAL                                                 ~26
         28        SEND_VAR                                                 !3
         29        DO_FCALL                                      0  $27     
         30        ASSIGN                                                   !5, $27
   22    31        INIT_STATIC_METHOD_CALL                                  'Closure', 'bind'
         32        FETCH_DIM_R                                      ~29     !0, 1
         33        SEND_VAL                                                 ~29
         34        SEND_VAR                                                 !4
         35        DO_FCALL                                      0  $30     
         36        ASSIGN                                                   !6, $30
   24    37        INIT_DYNAMIC_CALL                                        !5
         38        DO_FCALL                                      0  $32     
         39        ECHO                                                     $32
   25    40        INIT_DYNAMIC_CALL                                        !6
         41        DO_FCALL                                      0  $33     
         42        ECHO                                                     $33
   28    43        FETCH_OBJ_R                                      ~34     !3, 'getClosure'
         44        ASSIGN                                                   !7, ~34
   29    45        INIT_DYNAMIC_CALL                                        !7
         46        DO_FCALL                                      0  $36     
         47        ECHO                                                     $36
   30    48        INIT_USER_CALL                                0          'call_user_func', !7
         49        DO_FCALL                                      0  $37     
         50        ECHO                                                     $37
   31    51        FETCH_OBJ_R                                      ~38     !3, 'getClosure'
         52        INIT_METHOD_CALL                                         ~38, '__invoke'
         53        DO_FCALL                                      0  $39     
         54        ECHO                                                     $39
         55      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FXF2na%3A6%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XF2na
function name:  {closure}
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   FETCH_THIS                                       $0      
          1        FETCH_OBJ_R                                      ~1      $0, 'msg'
          2      > RETURN                                                   ~1
          3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FXF2na%3A6%240

Function %00%7Bclosure%7D%2Fin%2FXF2na%3A14%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XF2na
function name:  {closure}
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E > > RETURN                                                   'Some+enchanted+and+lovely+summer+evening+...%0A'
          1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FXF2na%3A14%241

Function %00%7Bclosure%7D%2Fin%2FXF2na%3A15%242:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XF2na
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $obj1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   FETCH_OBJ_R                                      ~1      !0, 'getEveningMessage'
          1      > RETURN                                                   ~1
          2*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FXF2na%3A15%242

Generated using Vulcan Logic Dumper, using php 8.0.0


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