3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A { } interface B extends A { } class C { public function test(A $a) { } } class D extends C { public function test(B $a) { } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/I8jO2
function name:  (null)
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   DECLARE_CLASS                                            'b'
   21     1        DECLARE_CLASS                                            'd', 'c'
   28     2      > RETURN                                                   1

Class A: [no user functions]
Class B: [no user functions]
Class C:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/I8jO2
function name:  test
number of ops:  2
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   RECV                                             !0      
   18     1      > RETURN                                                   null

End of function test

End of class C.

Class D:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/I8jO2
function name:  test
number of ops:  2
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   23     0  E >   RECV                                             !0      
   26     1      > RETURN                                                   null

End of function test

End of class D.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
172.46 ms | 1393 KiB | 13 Q