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<?php class ManagerSupervisorV1 { private string $name; private float $salary; public function __construct(string $name = 'Руководитель менеджеров', float $salary = 1.5) { $this->name = $name; $this->salary = $salary; } } var_dump(new ManagerSupervisorV1); class ManagerSupervisorV2 { private string $name = 'Руководитель менеджеров'; private float $salary = 1.5; public function __construct(string $name = null, float $salary = null) { $this->name = $this->name ?: $name; $this->salary = $this->salary ?: $salary; } } var_dump(new ManagerSupervisorV2); class ManagerSupervisorV3 { public function __construct( private string $name = 'Руководитель менеджеров', private float $salary = 1.5, ) {} } var_dump(new ManagerSupervisorV3);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SAXOb
function name:  (null)
number of ops:  16
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                               'var_dump'
          1        NEW                                              $0      'ManagerSupervisorV1'
          2        DO_FCALL                                      0          
          3        SEND_VAR                                                 $0
          4        DO_ICALL                                                 
   25     5        INIT_FCALL                                               'var_dump'
          6        NEW                                              $3      'ManagerSupervisorV2'
          7        DO_FCALL                                      0          
          8        SEND_VAR                                                 $3
          9        DO_ICALL                                                 
   34    10        INIT_FCALL                                               'var_dump'
         11        NEW                                              $6      'ManagerSupervisorV3'
         12        DO_FCALL                                      0          
         13        SEND_VAR                                                 $6
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Class ManagerSupervisorV1:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SAXOb
function name:  __construct
number of ops:  7
compiled vars:  !0 = $name, !1 = $salary
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV_INIT                                        !0      '%D0%A0%D1%83%D0%BA%D0%BE%D0%B2%D0%BE%D0%B4%D0%B8%D1%82%D0%B5%D0%BB%D1%8C+%D0%BC%D0%B5%D0%BD%D0%B5%D0%B4%D0%B6%D0%B5%D1%80%D0%BE%D0%B2'
          1        RECV_INIT                                        !1      1.5
    8     2        ASSIGN_OBJ                                               'name'
          3        OP_DATA                                                  !0
    9     4        ASSIGN_OBJ                                               'salary'
          5        OP_DATA                                                  !1
   10     6      > RETURN                                                   null

End of function __construct

End of class ManagerSupervisorV1.

Class ManagerSupervisorV2:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SAXOb
function name:  __construct
number of ops:  13
compiled vars:  !0 = $name, !1 = $salary
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   RECV_INIT                                        !0      null
          1        RECV_INIT                                        !1      null
   20     2        FETCH_OBJ_R                                      ~3      'name'
          3        JMP_SET                                          ~4      ~3, ->5
          4        QM_ASSIGN                                        ~4      !0
          5        ASSIGN_OBJ                                               'name'
          6        OP_DATA                                                  ~4
   21     7        FETCH_OBJ_R                                      ~6      'salary'
          8        JMP_SET                                          ~7      ~6, ->10
          9        QM_ASSIGN                                        ~7      !1
         10        ASSIGN_OBJ                                               'salary'
         11        OP_DATA                                                  ~7
   22    12      > RETURN                                                   null

End of function __construct

End of class ManagerSupervisorV2.

Class ManagerSupervisorV3:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SAXOb
function name:  __construct
number of ops:  7
compiled vars:  !0 = $name, !1 = $salary
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   28     0  E >   RECV_INIT                                        !0      '%D0%A0%D1%83%D0%BA%D0%BE%D0%B2%D0%BE%D0%B4%D0%B8%D1%82%D0%B5%D0%BB%D1%8C+%D0%BC%D0%B5%D0%BD%D0%B5%D0%B4%D0%B6%D0%B5%D1%80%D0%BE%D0%B2'
          1        RECV_INIT                                        !1      1.5
          2        ASSIGN_OBJ                                               'name'
          3        OP_DATA                                                  !0
          4        ASSIGN_OBJ                                               'salary'
          5        OP_DATA                                                  !1
   31     6      > RETURN                                                   null

End of function __construct

End of class ManagerSupervisorV3.

Generated using Vulcan Logic Dumper, using php 8.0.0


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