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<?php class A { public function foo($arg1, $arg2, $arg3) { var_dump($arg1, $arg2); } } class B extends A { public function foo($arg1, $arg2, $arg3) { call_user_func_array(['parent', 'foo'], [3] + [$arg2, $arg1]); } } $b = new B; $b->foo(1, 2, 4);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/agNEM
function name:  (null)
number of ops:  9
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   NEW                                              $1      'B'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   20     3        INIT_METHOD_CALL                                         !0, 'foo'
          4        SEND_VAL_EX                                              1
          5        SEND_VAL_EX                                              2
          6        SEND_VAL_EX                                              4
          7        DO_FCALL                                      0          
          8      > RETURN                                                   1

Class A:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/agNEM
function name:  foo
number of ops:  8
compiled vars:  !0 = $arg1, !1 = $arg2, !2 = $arg3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
    7     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                                 
    8     7      > RETURN                                                   null

End of function foo

End of class A.

Class B:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/agNEM
function name:  foo
number of ops:  11
compiled vars:  !0 = $arg1, !1 = $arg2, !2 = $arg3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
   15     3        INIT_USER_CALL                                0          'call_user_func_array', <array>
          4        INIT_ARRAY                                       ~3      !1
          5        ADD_ARRAY_ELEMENT                                ~3      !0
          6        ADD                                              ~4      <array>, ~3
          7        SEND_ARRAY                                               ~4
          8        CHECK_UNDEF_ARGS                                         
          9        DO_FCALL                                      0          
   16    10      > RETURN                                                   null

End of function foo

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


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