3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { public string $y; } $x = new X(); $x->y = 'hello world'; $r = new ReflectionClass('X'); $z = $r->newLazyProxy(fn() => $x); var_dump($x, spl_object_hash($x), spl_object_id($x)); var_dump($z, spl_object_hash($z), spl_object_id($z)); $_ = $z->y; var_dump($x, spl_object_hash($x), spl_object_id($x)); var_dump($z, spl_object_hash($z), spl_object_id($z)); var_dump(get_class($x), get_class($z));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QEXKP
function name:  (null)
number of ops:  68
compiled vars:  !0 = $x, !1 = $r, !2 = $z, !3 = $_
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $4      'X'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $4
    8     3        ASSIGN_OBJ                                               !0, 'y'
          4        OP_DATA                                                  'hello+world'
   10     5        NEW                                              $8      'ReflectionClass'
          6        SEND_VAL_EX                                              'X'
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !1, $8
   11     9        INIT_METHOD_CALL                                         !1, 'newLazyProxy'
         10        DECLARE_LAMBDA_FUNCTION                          ~11     [0]
         11        BIND_LEXICAL                                             ~11, !0
         12        SEND_VAL_EX                                              ~11
         13        DO_FCALL                                      0  $12     
         14        ASSIGN                                                   !2, $12
   13    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !0
         17        INIT_FCALL                                               'spl_object_hash'
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                         $14     
         20        SEND_VAR                                                 $14
         21        INIT_FCALL                                               'spl_object_id'
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                         $15     
         24        SEND_VAR                                                 $15
         25        DO_ICALL                                                 
   14    26        INIT_FCALL                                               'var_dump'
         27        SEND_VAR                                                 !2
         28        INIT_FCALL                                               'spl_object_hash'
         29        SEND_VAR                                                 !2
         30        DO_ICALL                                         $17     
         31        SEND_VAR                                                 $17
         32        INIT_FCALL                                               'spl_object_id'
         33        SEND_VAR                                                 !2
         34        DO_ICALL                                         $18     
         35        SEND_VAR                                                 $18
         36        DO_ICALL                                                 
   16    37        FETCH_OBJ_R                                      ~20     !2, 'y'
         38        ASSIGN                                                   !3, ~20
   18    39        INIT_FCALL                                               'var_dump'
         40        SEND_VAR                                                 !0
         41        INIT_FCALL                                               'spl_object_hash'
         42        SEND_VAR                                                 !0
         43        DO_ICALL                                         $22     
         44        SEND_VAR                                                 $22
         45        INIT_FCALL                                               'spl_object_id'
         46        SEND_VAR                                                 !0
         47        DO_ICALL                                         $23     
         48        SEND_VAR                                                 $23
         49        DO_ICALL                                                 
   19    50        INIT_FCALL                                               'var_dump'
         51        SEND_VAR                                                 !2
         52        INIT_FCALL                                               'spl_object_hash'
         53        SEND_VAR                                                 !2
         54        DO_ICALL                                         $25     
         55        SEND_VAR                                                 $25
         56        INIT_FCALL                                               'spl_object_id'
         57        SEND_VAR                                                 !2
         58        DO_ICALL                                         $26     
         59        SEND_VAR                                                 $26
         60        DO_ICALL                                                 
   21    61        INIT_FCALL                                               'var_dump'
         62        GET_CLASS                                        ~28     !0
         63        SEND_VAL                                                 ~28
         64        GET_CLASS                                        ~29     !2
         65        SEND_VAL                                                 ~29
         66        DO_ICALL                                                 
         67      > 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/QEXKP
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   BIND_STATIC                                              !0
          1      > RETURN                                                   !0
          2*     > RETURN                                                   null

End of Dynamic Function 0

Class X: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
159.46 ms | 1009 KiB | 16 Q