3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Model { protected $comments; public function __construct() { $this->comments = new class { public function count() { return rand(1, 20); } }; } } class CommentCount { private $count; public function __construct(int $count) { $this->count = $count; } public function getCount(): int { return $this->count; } } class Post extends Model { public function commentCount(): CommentCount { return new CommentCount($this->comments->count()); } } $post = new Post(); $commentCount = $post->commentCount(); var_dump($commentCount->getCount()); var_dump($commentCount->getCount()); var_dump($commentCount->getCount()); var_dump($commentCount->getCount()); var_dump($commentCount->getCount());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/elnZE
function name:  (null)
number of ops:  32
compiled vars:  !0 = $post, !1 = $commentCount
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   41     0  E >   NEW                                              $2      'Post'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   42     3        INIT_METHOD_CALL                                         !0, 'commentCount'
          4        DO_FCALL                                      0  $5      
          5        ASSIGN                                                   !1, $5
   44     6        INIT_FCALL                                               'var_dump'
          7        INIT_METHOD_CALL                                         !1, 'getCount'
          8        DO_FCALL                                      0  $7      
          9        SEND_VAR                                                 $7
         10        DO_ICALL                                                 
   45    11        INIT_FCALL                                               'var_dump'
         12        INIT_METHOD_CALL                                         !1, 'getCount'
         13        DO_FCALL                                      0  $9      
         14        SEND_VAR                                                 $9
         15        DO_ICALL                                                 
   46    16        INIT_FCALL                                               'var_dump'
         17        INIT_METHOD_CALL                                         !1, 'getCount'
         18        DO_FCALL                                      0  $11     
         19        SEND_VAR                                                 $11
         20        DO_ICALL                                                 
   47    21        INIT_FCALL                                               'var_dump'
         22        INIT_METHOD_CALL                                         !1, 'getCount'
         23        DO_FCALL                                      0  $13     
         24        SEND_VAR                                                 $13
         25        DO_ICALL                                                 
   48    26        INIT_FCALL                                               'var_dump'
         27        INIT_METHOD_CALL                                         !1, 'getCount'
         28        DO_FCALL                                      0  $15     
         29        SEND_VAR                                                 $15
         30        DO_ICALL                                                 
         31      > RETURN                                                   1

Class class@anonymous:
Function count:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/elnZE
function name:  count
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                               'rand'
          1        SEND_VAL                                                 1
          2        SEND_VAL                                                 20
          3        DO_ICALL                                         $0      
          4      > RETURN                                                   $0
   13     5*     > RETURN                                                   null

End of function count

End of class class@anonymous.

Class Model:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/elnZE
function name:  __construct
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   DECLARE_ANON_CLASS                               <unknown> 
          1        NEW                                              $2      $1
          2        DO_FCALL                                      0          
          3        ASSIGN_OBJ                                               'comments'
          4        OP_DATA                                                  $2
   15     5      > RETURN                                                   null

End of function __construct

End of class Model.

Class CommentCount:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/elnZE
function name:  __construct
number of ops:  4
compiled vars:  !0 = $count
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   22     0  E >   RECV                                             !0      
   24     1        ASSIGN_OBJ                                               'count'
          2        OP_DATA                                                  !0
   25     3      > RETURN                                                   null

End of function __construct

Function getcount:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/elnZE
function name:  getCount
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   FETCH_OBJ_R                                      ~0      'count'
          1        VERIFY_RETURN_TYPE                                       ~0
          2      > RETURN                                                   ~0
   30     3*       VERIFY_RETURN_TYPE                                       
          4*     > RETURN                                                   null

End of function getcount

End of class CommentCount.

Class Post:
Function commentcount:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/elnZE
function name:  commentCount
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   37     0  E >   NEW                                              $0      'CommentCount'
          1        FETCH_OBJ_R                                      ~1      'comments'
          2        INIT_METHOD_CALL                                         ~1, 'count'
          3        DO_FCALL                                      0  $2      
          4        SEND_VAR_NO_REF_EX                                       $2
          5        DO_FCALL                                      0          
          6        VERIFY_RETURN_TYPE                                       $0
          7      > RETURN                                                   $0
   38     8*       VERIFY_RETURN_TYPE                                       
          9*     > RETURN                                                   null

End of function commentcount

Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/elnZE
function name:  __construct
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   DECLARE_ANON_CLASS                               <unknown> 
          1        NEW                                              $2      $1
          2        DO_FCALL                                      0          
          3        ASSIGN_OBJ                                               'comments'
          4        OP_DATA                                                  $2
   15     5      > RETURN                                                   null

End of function __construct

End of class Post.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.22 ms | 1404 KiB | 17 Q