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<?php class A { public $a; public function __construct($a) { $this->a = $a; } } class B extends A { public $b; public function __construct($b) { $this->b = $b; } public function callParentCtor($args) { call_user_func_array(array(parent, '__construct'), $args); } } $b = new B('b'); $b->callParentCtor([ 'a' ]); var_dump($b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hGrJo
function name:  (null)
number of ops:  11
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   28     0  E >   NEW                                              $1      'B'
          1        SEND_VAL_EX                                              'b'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   29     4        INIT_METHOD_CALL                                         !0, 'callParentCtor'
          5        SEND_VAL_EX                                              <array>
          6        DO_FCALL                                      0          
   30     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Class A:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hGrJo
function name:  __construct
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
    9     1        ASSIGN_OBJ                                               'a'
          2        OP_DATA                                                  !0
   10     3      > RETURN                                                   null

End of function __construct

End of class A.

Class B:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hGrJo
function name:  __construct
number of ops:  4
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   RECV                                             !0      
   19     1        ASSIGN_OBJ                                               'b'
          2        OP_DATA                                                  !0
   20     3      > RETURN                                                   null

End of function __construct

Function callparentctor:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hGrJo
function name:  callParentCtor
number of ops:  9
compiled vars:  !0 = $args
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   22     0  E >   RECV                                             !0      
   24     1        FETCH_CONSTANT                                   ~1      'parent'
          2        INIT_ARRAY                                       ~2      ~1
          3        ADD_ARRAY_ELEMENT                                ~2      '__construct'
          4        INIT_USER_CALL                                0          'call_user_func_array', ~2
          5        SEND_ARRAY                                               !0
          6        CHECK_UNDEF_ARGS                                         
          7        DO_FCALL                                      0          
   25     8      > RETURN                                                   null

End of function callparentctor

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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