3v4l.org

run code in 500+ PHP versions simultaneously
<?php class foo1 { public $a; public function __construct($a) { $this->a = $a; }} class foo2 { protected $a; public function __construct($a) { $this->a = $a; }} class foo3 { private $a; public function __construct($a) { $this->a = $a; }} $foo1 = new foo1("test"); $foo2 = new foo2("test"); $foo3 = new foo3("test"); var_dump(serialize($foo1)); var_dump(serialize($foo2)); var_dump(serialize($foo3)); var_dump(unserialize('O:4:"foo1":1:{s:1:"a";s:4:"test";}')); var_dump(unserialize('O:4:"foo2":1:{s:1:"a";s:4:"test";}')); var_dump(unserialize('O:4:"foo3":1:{s:1:"a";s:4:"test";}'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t2IPr
function name:  (null)
number of ops:  49
compiled vars:  !0 = $foo1, !1 = $foo2, !2 = $foo3
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   NEW                                                  $3      'foo1'
          1        SEND_VAL_EX                                                  'test'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $3
    8     4        NEW                                                  $6      'foo2'
          5        SEND_VAL_EX                                                  'test'
          6        DO_FCALL                                          0          
          7        ASSIGN                                                       !1, $6
    9     8        NEW                                                  $9      'foo3'
          9        SEND_VAL_EX                                                  'test'
         10        DO_FCALL                                          0          
         11        ASSIGN                                                       !2, $9
   11    12        INIT_FCALL                                                   'var_dump'
         13        INIT_FCALL                                                   'serialize'
         14        SEND_VAR                                                     !0
         15        DO_ICALL                                             $12     
         16        SEND_VAR                                                     $12
         17        DO_ICALL                                                     
   12    18        INIT_FCALL                                                   'var_dump'
         19        INIT_FCALL                                                   'serialize'
         20        SEND_VAR                                                     !1
         21        DO_ICALL                                             $14     
         22        SEND_VAR                                                     $14
         23        DO_ICALL                                                     
   13    24        INIT_FCALL                                                   'var_dump'
         25        INIT_FCALL                                                   'serialize'
         26        SEND_VAR                                                     !2
         27        DO_ICALL                                             $16     
         28        SEND_VAR                                                     $16
         29        DO_ICALL                                                     
   15    30        INIT_FCALL                                                   'var_dump'
         31        INIT_FCALL                                                   'unserialize'
         32        SEND_VAL                                                     'O%3A4%3A%22foo1%22%3A1%3A%7Bs%3A1%3A%22a%22%3Bs%3A4%3A%22test%22%3B%7D'
         33        DO_ICALL                                             $18     
         34        SEND_VAR                                                     $18
         35        DO_ICALL                                                     
   16    36        INIT_FCALL                                                   'var_dump'
         37        INIT_FCALL                                                   'unserialize'
         38        SEND_VAL                                                     'O%3A4%3A%22foo2%22%3A1%3A%7Bs%3A1%3A%22a%22%3Bs%3A4%3A%22test%22%3B%7D'
         39        DO_ICALL                                             $20     
         40        SEND_VAR                                                     $20
         41        DO_ICALL                                                     
   17    42        INIT_FCALL                                                   'var_dump'
         43        INIT_FCALL                                                   'unserialize'
         44        SEND_VAL                                                     'O%3A4%3A%22foo3%22%3A1%3A%7Bs%3A1%3A%22a%22%3Bs%3A4%3A%22test%22%3B%7D'
         45        DO_ICALL                                             $22     
         46        SEND_VAR                                                     $22
         47        DO_ICALL                                                     
         48      > RETURN                                                       1

Class foo1:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t2IPr
function name:  __construct
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
          1        ASSIGN_OBJ                                                   'a'
          2        OP_DATA                                                      !0
          3      > RETURN                                                       null

End of function __construct

End of class foo1.

Class foo2:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t2IPr
function name:  __construct
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   RECV                                                 !0      
          1        ASSIGN_OBJ                                                   'a'
          2        OP_DATA                                                      !0
          3      > RETURN                                                       null

End of function __construct

End of class foo2.

Class foo3:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t2IPr
function name:  __construct
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   RECV                                                 !0      
          1        ASSIGN_OBJ                                                   'a'
          2        OP_DATA                                                      !0
          3      > RETURN                                                       null

End of function __construct

End of class foo3.

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
170.23 ms | 1610 KiB | 11 Q