3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); interface A { public function foo(int $id): void; } interface B { public function foo(string $id): void; } class Bar implements A, B { public function foo($id): void { echo gettype($id); } } (new Bar)->foo(true);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nQ1Yo
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   DECLARE_CLASS                                            'bar'
   19     1        NEW                                              $0      'Bar'
          2        DO_FCALL                                      0          
          3        INIT_METHOD_CALL                                         $0, 'foo'
          4        SEND_VAL_EX                                              <true>
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Class A:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nQ1Yo
function name:  foo
number of ops:  2
compiled vars:  !0 = $id
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1      > 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/nQ1Yo
function name:  foo
number of ops:  2
compiled vars:  !0 = $id
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV                                             !0      
          1      > RETURN                                                   null

End of function foo

End of class B.

Class Bar:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nQ1Yo
function name:  foo
number of ops:  4
compiled vars:  !0 = $id
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
   15     1        GET_TYPE                                         ~1      !0
          2        ECHO                                                     ~1
   16     3      > RETURN                                                   null

End of function foo

End of class Bar.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.98 ms | 1394 KiB | 13 Q